Home / 1,491,517.38-2,058,235.80-911,711.22

Finding the Fourth Proportional to 1,491,517.38, 2,058,235.80 and 911,711.22

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Solution

The fourth proportional to 1,491,517.38, 2,058,235.80 and 911,711.22 is: 1,258,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,517.38 : 2,058,235.80 = 911,711.22 : x
  2. Step 2: Convert to fraction form
    1,491,517.38/2,058,235.80 = 911,711.22/x
  3. Step 3: Cross multiply
    1,491,517.38x = 2,058,235.80 × 911,711.22
  4. Step 4: Simplify right side
    1,491,517.38x = 1,876,516,672,265.68
  5. Step 5: Solve for x
    x = 1,876,516,672,265.68/1,491,517.38
  6. Step 6: Final answer
    x = 1,258,125.92

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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.