Home / 624,445.38-861,750.36-382,861.22

Finding the Fourth Proportional to 624,445.38, 861,750.36 and 382,861.22

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Solution

The fourth proportional to 624,445.38, 861,750.36 and 382,861.22 is: 528,358.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,445.38 : 861,750.36 = 382,861.22 : x
  2. Step 2: Convert to fraction form
    624,445.38/861,750.36 = 382,861.22/x
  3. Step 3: Cross multiply
    624,445.38x = 861,750.36 × 382,861.22
  4. Step 4: Simplify right side
    624,445.38x = 329,930,789,856.29
  5. Step 5: Solve for x
    x = 329,930,789,856.29/624,445.38
  6. Step 6: Final answer
    x = 528,358.12

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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.