Home / 1,227,358.76-1,693,412.88-791,591.72

Finding the Fourth Proportional to 1,227,358.76, 1,693,412.88 and 791,591.72

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Solution

The fourth proportional to 1,227,358.76, 1,693,412.88 and 791,591.72 is: 1,092,175.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,358.76 : 1,693,412.88 = 791,591.72 : x
  2. Step 2: Convert to fraction form
    1,227,358.76/1,693,412.88 = 791,591.72/x
  3. Step 3: Cross multiply
    1,227,358.76x = 1,693,412.88 × 791,591.72
  4. Step 4: Simplify right side
    1,227,358.76x = 1,340,491,614,349.35
  5. Step 5: Solve for x
    x = 1,340,491,614,349.35/1,227,358.76
  6. Step 6: Final answer
    x = 1,092,175.86

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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.