Home / 718,591.96-1,074,652.53-639,097.24

Finding the Fourth Proportional to 718,591.96, 1,074,652.53 and 639,097.24

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Solution

The fourth proportional to 718,591.96, 1,074,652.53 and 639,097.24 is: 955,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,591.96 : 1,074,652.53 = 639,097.24 : x
  2. Step 2: Convert to fraction form
    718,591.96/1,074,652.53 = 639,097.24/x
  3. Step 3: Cross multiply
    718,591.96x = 1,074,652.53 × 639,097.24
  4. Step 4: Simplify right side
    718,591.96x = 686,807,465,882.02
  5. Step 5: Solve for x
    x = 686,807,465,882.02/718,591.96
  6. Step 6: Final answer
    x = 955,768.37

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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.