Home / 437,835.43-656,753.15-338,141.04

Finding the Fourth Proportional to 437,835.43, 656,753.15 and 338,141.04

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Solution

The fourth proportional to 437,835.43, 656,753.15 and 338,141.04 is: 507,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,835.43 : 656,753.15 = 338,141.04 : x
  2. Step 2: Convert to fraction form
    437,835.43/656,753.15 = 338,141.04/x
  3. Step 3: Cross multiply
    437,835.43x = 656,753.15 × 338,141.04
  4. Step 4: Simplify right side
    437,835.43x = 222,075,193,164.28
  5. Step 5: Solve for x
    x = 222,075,193,164.28/437,835.43
  6. Step 6: Final answer
    x = 507,211.56

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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.