Home / 970,785.43-1,456,930.02-781,708.78

Finding the Fourth Proportional to 970,785.43, 1,456,930.02 and 781,708.78

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Solution

The fourth proportional to 970,785.43, 1,456,930.02 and 781,708.78 is: 1,173,168.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,785.43 : 1,456,930.02 = 781,708.78 : x
  2. Step 2: Convert to fraction form
    970,785.43/1,456,930.02 = 781,708.78/x
  3. Step 3: Cross multiply
    970,785.43x = 1,456,930.02 × 781,708.78
  4. Step 4: Simplify right side
    970,785.43x = 1,138,894,993,232.15
  5. Step 5: Solve for x
    x = 1,138,894,993,232.15/970,785.43
  6. Step 6: Final answer
    x = 1,173,168.61

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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.