Home / 475,836.76-656,655.15-260,981.02

Finding the Fourth Proportional to 475,836.76, 656,655.15 and 260,981.02

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Solution

The fourth proportional to 475,836.76, 656,655.15 and 260,981.02 is: 360,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,836.76 : 656,655.15 = 260,981.02 : x
  2. Step 2: Convert to fraction form
    475,836.76/656,655.15 = 260,981.02/x
  3. Step 3: Cross multiply
    475,836.76x = 656,655.15 × 260,981.02
  4. Step 4: Simplify right side
    475,836.76x = 171,374,530,835.25
  5. Step 5: Solve for x
    x = 171,374,530,835.25/475,836.76
  6. Step 6: Final answer
    x = 360,154.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.