Home / 656,572.20-984,167.10-257,058.60

Finding the Fourth Proportional to 656,572.20, 984,167.10 and 257,058.60

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Solution

The fourth proportional to 656,572.20, 984,167.10 and 257,058.60 is: 385,317.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,572.20 : 984,167.10 = 257,058.60 : x
  2. Step 2: Convert to fraction form
    656,572.20/984,167.10 = 257,058.60/x
  3. Step 3: Cross multiply
    656,572.20x = 984,167.10 × 257,058.60
  4. Step 4: Simplify right side
    656,572.20x = 252,988,616,892.06
  5. Step 5: Solve for x
    x = 252,988,616,892.06/656,572.20
  6. Step 6: Final answer
    x = 385,317.28

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1.5x scale

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.