Home / 1,491,614.53-2,058,373.62-911,808.72

Finding the Fourth Proportional to 1,491,614.53, 2,058,373.62 and 911,808.72

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Solution

The fourth proportional to 1,491,614.53, 2,058,373.62 and 911,808.72 is: 1,258,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,614.53 : 2,058,373.62 = 911,808.72 : x
  2. Step 2: Convert to fraction form
    1,491,614.53/2,058,373.62 = 911,808.72/x
  3. Step 3: Cross multiply
    1,491,614.53x = 2,058,373.62 × 911,808.72
  4. Step 4: Simplify right side
    1,491,614.53x = 1,876,843,015,733.97
  5. Step 5: Solve for x
    x = 1,876,843,015,733.97/1,491,614.53
  6. Step 6: Final answer
    x = 1,258,262.76

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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.