Home / 1,200,132.52-1,656,114.76-656,166.76

Finding the Fourth Proportional to 1,200,132.52, 1,656,114.76 and 656,166.76

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Solution

The fourth proportional to 1,200,132.52, 1,656,114.76 and 656,166.76 is: 905,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,132.52 : 1,656,114.76 = 656,166.76 : x
  2. Step 2: Convert to fraction form
    1,200,132.52/1,656,114.76 = 656,166.76/x
  3. Step 3: Cross multiply
    1,200,132.52x = 1,656,114.76 × 656,166.76
  4. Step 4: Simplify right side
    1,200,132.52x = 1,086,687,456,257.38
  5. Step 5: Solve for x
    x = 1,086,687,456,257.38/1,200,132.52
  6. Step 6: Final answer
    x = 905,472.89

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1.5x scale

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.