Home / 676,854.52-1,015,167.56-317,063.86

Finding the Fourth Proportional to 676,854.52, 1,015,167.56 and 317,063.86

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Solution

The fourth proportional to 676,854.52, 1,015,167.56 and 317,063.86 is: 475,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,854.52 : 1,015,167.56 = 317,063.86 : x
  2. Step 2: Convert to fraction form
    676,854.52/1,015,167.56 = 317,063.86/x
  3. Step 3: Cross multiply
    676,854.52x = 1,015,167.56 × 317,063.86
  4. Step 4: Simplify right side
    676,854.52x = 321,872,943,375.12
  5. Step 5: Solve for x
    x = 321,872,943,375.12/676,854.52
  6. Step 6: Final answer
    x = 475,542.28

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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.