Home / 976,906.20-1,465,359.30-724,963.80

Finding the Fourth Proportional to 976,906.20, 1,465,359.30 and 724,963.80

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Solution

The fourth proportional to 976,906.20, 1,465,359.30 and 724,963.80 is: 1,087,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,906.20 : 1,465,359.30 = 724,963.80 : x
  2. Step 2: Convert to fraction form
    976,906.20/1,465,359.30 = 724,963.80/x
  3. Step 3: Cross multiply
    976,906.20x = 1,465,359.30 × 724,963.80
  4. Step 4: Simplify right side
    976,906.20x = 1,062,332,446,493.34
  5. Step 5: Solve for x
    x = 1,062,332,446,493.34/976,906.20
  6. Step 6: Final answer
    x = 1,087,445.70

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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.