Home / 1,251,214.67-1,873,791.19-865,883.78

Finding the Fourth Proportional to 1,251,214.67, 1,873,791.19 and 865,883.78

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Solution

The fourth proportional to 1,251,214.67, 1,873,791.19 and 865,883.78 is: 1,296,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,214.67 : 1,873,791.19 = 865,883.78 : x
  2. Step 2: Convert to fraction form
    1,251,214.67/1,873,791.19 = 865,883.78/x
  3. Step 3: Cross multiply
    1,251,214.67x = 1,873,791.19 × 865,883.78
  4. Step 4: Simplify right side
    1,251,214.67x = 1,622,485,398,527.90
  5. Step 5: Solve for x
    x = 1,622,485,398,527.90/1,251,214.67
  6. Step 6: Final answer
    x = 1,296,728.24

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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.