Home / 742,691.44-1,112,591.67-547,589.33

Finding the Fourth Proportional to 742,691.44, 1,112,591.67 and 547,589.33

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Solution

The fourth proportional to 742,691.44, 1,112,591.67 and 547,589.33 is: 820,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,691.44 : 1,112,591.67 = 547,589.33 : x
  2. Step 2: Convert to fraction form
    742,691.44/1,112,591.67 = 547,589.33/x
  3. Step 3: Cross multiply
    742,691.44x = 1,112,591.67 × 547,589.33
  4. Step 4: Simplify right side
    742,691.44x = 609,243,327,138.88
  5. Step 5: Solve for x
    x = 609,243,327,138.88/742,691.44
  6. Step 6: Final answer
    x = 820,318.23

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1.5x scale

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.