Home / 1,791,571.68-2,687,340.80-726,360.56

Finding the Fourth Proportional to 1,791,571.68, 2,687,340.80 and 726,360.56

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Solution

The fourth proportional to 1,791,571.68, 2,687,340.80 and 726,360.56 is: 1,089,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,571.68 : 2,687,340.80 = 726,360.56 : x
  2. Step 2: Convert to fraction form
    1,791,571.68/2,687,340.80 = 726,360.56/x
  3. Step 3: Cross multiply
    1,791,571.68x = 2,687,340.80 × 726,360.56
  4. Step 4: Simplify right side
    1,791,571.68x = 1,951,978,368,398.85
  5. Step 5: Solve for x
    x = 1,951,978,368,398.85/1,791,571.68
  6. Step 6: Final answer
    x = 1,089,534.06

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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.