Home / 981,949.27-1,472,862.74-469,978.04

Finding the Fourth Proportional to 981,949.27, 1,472,862.74 and 469,978.04

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Solution

The fourth proportional to 981,949.27, 1,472,862.74 and 469,978.04 is: 704,937.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,949.27 : 1,472,862.74 = 469,978.04 : x
  2. Step 2: Convert to fraction form
    981,949.27/1,472,862.74 = 469,978.04/x
  3. Step 3: Cross multiply
    981,949.27x = 1,472,862.74 × 469,978.04
  4. Step 4: Simplify right side
    981,949.27x = 692,213,134,020.03
  5. Step 5: Solve for x
    x = 692,213,134,020.03/981,949.27
  6. Step 6: Final answer
    x = 704,937.78

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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.