Home / 437,979.30-656,604.45-185,453.70

Finding the Fourth Proportional to 437,979.30, 656,604.45 and 185,453.70

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Solution

The fourth proportional to 437,979.30, 656,604.45 and 185,453.70 is: 278,026.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,979.30 : 656,604.45 = 185,453.70 : x
  2. Step 2: Convert to fraction form
    437,979.30/656,604.45 = 185,453.70/x
  3. Step 3: Cross multiply
    437,979.30x = 656,604.45 × 185,453.70
  4. Step 4: Simplify right side
    437,979.30x = 121,769,724,688.97
  5. Step 5: Solve for x
    x = 121,769,724,688.97/437,979.30
  6. Step 6: Final answer
    x = 278,026.21

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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.