Home / 624,319.12-861,562.70-337,839.20

Finding the Fourth Proportional to 624,319.12, 861,562.70 and 337,839.20

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Solution

The fourth proportional to 624,319.12, 861,562.70 and 337,839.20 is: 466,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,319.12 : 861,562.70 = 337,839.20 : x
  2. Step 2: Convert to fraction form
    624,319.12/861,562.70 = 337,839.20/x
  3. Step 3: Cross multiply
    624,319.12x = 861,562.70 × 337,839.20
  4. Step 4: Simplify right side
    624,319.12x = 291,069,653,317.84
  5. Step 5: Solve for x
    x = 291,069,653,317.84/624,319.12
  6. Step 6: Final answer
    x = 466,219.35

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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.