Home / 437,526.40-656,581.20-200,747.20

Finding the Fourth Proportional to 437,526.40, 656,581.20 and 200,747.20

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Solution

The fourth proportional to 437,526.40, 656,581.20 and 200,747.20 is: 301,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,526.40 : 656,581.20 = 200,747.20 : x
  2. Step 2: Convert to fraction form
    437,526.40/656,581.20 = 200,747.20/x
  3. Step 3: Cross multiply
    437,526.40x = 656,581.20 × 200,747.20
  4. Step 4: Simplify right side
    437,526.40x = 131,806,837,472.64
  5. Step 5: Solve for x
    x = 131,806,837,472.64/437,526.40
  6. Step 6: Final answer
    x = 301,254.59

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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.