Home / 819,849.25-1,227,251.60-534,926.29

Finding the Fourth Proportional to 819,849.25, 1,227,251.60 and 534,926.29

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Solution

The fourth proportional to 819,849.25, 1,227,251.60 and 534,926.29 is: 800,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,849.25 : 1,227,251.60 = 534,926.29 : x
  2. Step 2: Convert to fraction form
    819,849.25/1,227,251.60 = 534,926.29/x
  3. Step 3: Cross multiply
    819,849.25x = 1,227,251.60 × 534,926.29
  4. Step 4: Simplify right side
    819,849.25x = 656,489,136,473.68
  5. Step 5: Solve for x
    x = 656,489,136,473.68/819,849.25
  6. Step 6: Final answer
    x = 800,743.72

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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.