SELECT install_day,
       SUM(sum_usd)
FROM
  (SELECT attribute_profile_id profile_id,
          MIN(segment_date) AS install_day
   FROM marketing_installs_dist FINAL
   WHERE profile_id <> ''
   GROUP BY profile_id
   HAVING install_day = '2020-03-29') ANY
LEFT JOIN
  (SELECT profile_id,
          SUM(price_usd) AS sum_usd
   FROM purchases_dist
   WHERE DAY >= '2020-03-29'
   GROUP BY profile_id) USING profile_id
GROUP BY install_day