Home / 1,253,999.28-1,730,529.17-681,043.55

Finding the Fourth Proportional to 1,253,999.28, 1,730,529.17 and 681,043.55

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Solution

The fourth proportional to 1,253,999.28, 1,730,529.17 and 681,043.55 is: 939,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,999.28 : 1,730,529.17 = 681,043.55 : x
  2. Step 2: Convert to fraction form
    1,253,999.28/1,730,529.17 = 681,043.55/x
  3. Step 3: Cross multiply
    1,253,999.28x = 1,730,529.17 × 681,043.55
  4. Step 4: Simplify right side
    1,253,999.28x = 1,178,565,717,257.49
  5. Step 5: Solve for x
    x = 1,178,565,717,257.49/1,253,999.28
  6. Step 6: Final answer
    x = 939,845.61

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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.