Home / 1,116,757.92-1,675,690.42-442,824.78

Finding the Fourth Proportional to 1,116,757.92, 1,675,690.42 and 442,824.78

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Solution

The fourth proportional to 1,116,757.92, 1,675,690.42 and 442,824.78 is: 664,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,757.92 : 1,675,690.42 = 442,824.78 : x
  2. Step 2: Convert to fraction form
    1,116,757.92/1,675,690.42 = 442,824.78/x
  3. Step 3: Cross multiply
    1,116,757.92x = 1,675,690.42 × 442,824.78
  4. Step 4: Simplify right side
    1,116,757.92x = 742,037,241,584.61
  5. Step 5: Solve for x
    x = 742,037,241,584.61/1,116,757.92
  6. Step 6: Final answer
    x = 664,456.66

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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.