No, no.......
You have 10% deposit OK = $40K
You are borrowing (or trying to) 90% x $400K = $360K
Example again, if valuer says worth = $380K then bank lends 90% of $380K = $342K
You need deposit = $400K - $342K = $58K
Same Q: Do you have that? (in the event valuer says its is worth...