Home / 955,129.62-1,431,824.55-613,665.87

Finding the Fourth Proportional to 955,129.62, 1,431,824.55 and 613,665.87

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Solution

The fourth proportional to 955,129.62, 1,431,824.55 and 613,665.87 is: 919,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,129.62 : 1,431,824.55 = 613,665.87 : x
  2. Step 2: Convert to fraction form
    955,129.62/1,431,824.55 = 613,665.87/x
  3. Step 3: Cross multiply
    955,129.62x = 1,431,824.55 × 613,665.87
  4. Step 4: Simplify right side
    955,129.62x = 878,661,858,546.53
  5. Step 5: Solve for x
    x = 878,661,858,546.53/955,129.62
  6. Step 6: Final answer
    x = 919,939.91

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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.