Home / 624,617.29-861,972.14-338,137.37

Finding the Fourth Proportional to 624,617.29, 861,972.14 and 338,137.37

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Solution

The fourth proportional to 624,617.29, 861,972.14 and 338,137.37 is: 466,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,617.29 : 861,972.14 = 338,137.37 : x
  2. Step 2: Convert to fraction form
    624,617.29/861,972.14 = 338,137.37/x
  3. Step 3: Cross multiply
    624,617.29x = 861,972.14 × 338,137.37
  4. Step 4: Simplify right side
    624,617.29x = 291,464,992,432.87
  5. Step 5: Solve for x
    x = 291,464,992,432.87/624,617.29
  6. Step 6: Final answer
    x = 466,629.72

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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.