Home / 1,399,928.68-2,098,187.04-725,638.24

Finding the Fourth Proportional to 1,399,928.68, 2,098,187.04 and 725,638.24

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Solution

The fourth proportional to 1,399,928.68, 2,098,187.04 and 725,638.24 is: 1,087,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,928.68 : 2,098,187.04 = 725,638.24 : x
  2. Step 2: Convert to fraction form
    1,399,928.68/2,098,187.04 = 725,638.24/x
  3. Step 3: Cross multiply
    1,399,928.68x = 2,098,187.04 × 725,638.24
  4. Step 4: Simplify right side
    1,399,928.68x = 1,522,524,750,896.41
  5. Step 5: Solve for x
    x = 1,522,524,750,896.41/1,399,928.68
  6. Step 6: Final answer
    x = 1,087,573.08

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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.