Home / 585,217.20-878,117.40-332,691.60

Finding the Fourth Proportional to 585,217.20, 878,117.40 and 332,691.60

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Solution

The fourth proportional to 585,217.20, 878,117.40 and 332,691.60 is: 499,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,217.20 : 878,117.40 = 332,691.60 : x
  2. Step 2: Convert to fraction form
    585,217.20/878,117.40 = 332,691.60/x
  3. Step 3: Cross multiply
    585,217.20x = 878,117.40 × 332,691.60
  4. Step 4: Simplify right side
    585,217.20x = 292,142,282,793.84
  5. Step 5: Solve for x
    x = 292,142,282,793.84/585,217.20
  6. Step 6: Final answer
    x = 499,203.17

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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.