Home / 871,272.67-1,198,092.38-756,350.43

Finding the Fourth Proportional to 871,272.67, 1,198,092.38 and 756,350.43

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Solution

The fourth proportional to 871,272.67, 1,198,092.38 and 756,350.43 is: 1,040,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,272.67 : 1,198,092.38 = 756,350.43 : x
  2. Step 2: Convert to fraction form
    871,272.67/1,198,092.38 = 756,350.43/x
  3. Step 3: Cross multiply
    871,272.67x = 1,198,092.38 × 756,350.43
  4. Step 4: Simplify right side
    871,272.67x = 906,177,683,010.97
  5. Step 5: Solve for x
    x = 906,177,683,010.97/871,272.67
  6. Step 6: Final answer
    x = 1,040,062.10

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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.