to arrive (at one's destination); to reach
to come to a head; to reach a conclusion; to culminate (in); to end up
最終的にこの答えに行き着いた。
I ultimately arrived at this answer.
議論は同じ結論に行き着く。
The discussion arrives at the same conclusion.
彼の考えは極端に行き着く。
His thinking ends up at an extreme.