Home / 683,900.92-944,046.66-612,154.36

Finding the Fourth Proportional to 683,900.92, 944,046.66 and 612,154.36

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Solution

The fourth proportional to 683,900.92, 944,046.66 and 612,154.36 is: 845,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,900.92 : 944,046.66 = 612,154.36 : x
  2. Step 2: Convert to fraction form
    683,900.92/944,046.66 = 612,154.36/x
  3. Step 3: Cross multiply
    683,900.92x = 944,046.66 × 612,154.36
  4. Step 4: Simplify right side
    683,900.92x = 577,902,278,962.44
  5. Step 5: Solve for x
    x = 577,902,278,962.44/683,900.92
  6. Step 6: Final answer
    x = 845,008.78

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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.