Home / 864,083.30-1,297,680.15-627,692.90

Finding the Fourth Proportional to 864,083.30, 1,297,680.15 and 627,692.90

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Solution

The fourth proportional to 864,083.30, 1,297,680.15 and 627,692.90 is: 942,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,083.30 : 1,297,680.15 = 627,692.90 : x
  2. Step 2: Convert to fraction form
    864,083.30/1,297,680.15 = 627,692.90/x
  3. Step 3: Cross multiply
    864,083.30x = 1,297,680.15 × 627,692.90
  4. Step 4: Simplify right side
    864,083.30x = 814,544,616,625.94
  5. Step 5: Solve for x
    x = 814,544,616,625.94/864,083.30
  6. Step 6: Final answer
    x = 942,669.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.