Home / 624,617.12-861,974.39-338,137.20

Finding the Fourth Proportional to 624,617.12, 861,974.39 and 338,137.20

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Solution

The fourth proportional to 624,617.12, 861,974.39 and 338,137.20 is: 466,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,617.12 : 861,974.39 = 338,137.20 : x
  2. Step 2: Convert to fraction form
    624,617.12/861,974.39 = 338,137.20/x
  3. Step 3: Cross multiply
    624,617.12x = 861,974.39 × 338,137.20
  4. Step 4: Simplify right side
    624,617.12x = 291,465,607,551.65
  5. Step 5: Solve for x
    x = 291,465,607,551.65/624,617.12
  6. Step 6: Final answer
    x = 466,630.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.