Home / 717,814.25-1,072,755.45-676,332.30

Finding the Fourth Proportional to 717,814.25, 1,072,755.45 and 676,332.30

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Solution

The fourth proportional to 717,814.25, 1,072,755.45 and 676,332.30 is: 1,010,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,814.25 : 1,072,755.45 = 676,332.30 : x
  2. Step 2: Convert to fraction form
    717,814.25/1,072,755.45 = 676,332.30/x
  3. Step 3: Cross multiply
    717,814.25x = 1,072,755.45 × 676,332.30
  4. Step 4: Simplify right side
    717,814.25x = 725,539,160,836.04
  5. Step 5: Solve for x
    x = 725,539,160,836.04/717,814.25
  6. Step 6: Final answer
    x = 1,010,761.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.