Home / 1,247,724.17-1,871,917.83-394,810.97

Finding the Fourth Proportional to 1,247,724.17, 1,871,917.83 and 394,810.97

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Solution

The fourth proportional to 1,247,724.17, 1,871,917.83 and 394,810.97 is: 592,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,724.17 : 1,871,917.83 = 394,810.97 : x
  2. Step 2: Convert to fraction form
    1,247,724.17/1,871,917.83 = 394,810.97/x
  3. Step 3: Cross multiply
    1,247,724.17x = 1,871,917.83 × 394,810.97
  4. Step 4: Simplify right side
    1,247,724.17x = 739,053,694,222.60
  5. Step 5: Solve for x
    x = 739,053,694,222.60/1,247,724.17
  6. Step 6: Final answer
    x = 592,321.37

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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.