Home / 437,633.20-656,449.80-382,337.20

Finding the Fourth Proportional to 437,633.20, 656,449.80 and 382,337.20

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Solution

The fourth proportional to 437,633.20, 656,449.80 and 382,337.20 is: 573,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,633.20 : 656,449.80 = 382,337.20 : x
  2. Step 2: Convert to fraction form
    437,633.20/656,449.80 = 382,337.20/x
  3. Step 3: Cross multiply
    437,633.20x = 656,449.80 × 382,337.20
  4. Step 4: Simplify right side
    437,633.20x = 250,985,178,472.56
  5. Step 5: Solve for x
    x = 250,985,178,472.56/437,633.20
  6. Step 6: Final answer
    x = 573,505.80

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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.