Home / 437,982.30-656,608.95-185,456.70

Finding the Fourth Proportional to 437,982.30, 656,608.95 and 185,456.70

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Solution

The fourth proportional to 437,982.30, 656,608.95 and 185,456.70 is: 278,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,982.30 : 656,608.95 = 185,456.70 : x
  2. Step 2: Convert to fraction form
    437,982.30/656,608.95 = 185,456.70/x
  3. Step 3: Cross multiply
    437,982.30x = 656,608.95 × 185,456.70
  4. Step 4: Simplify right side
    437,982.30x = 121,772,529,057.47
  5. Step 5: Solve for x
    x = 121,772,529,057.47/437,982.30
  6. Step 6: Final answer
    x = 278,030.71

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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.