Home / 742,489.40-1,113,734.10-534,092.60

Finding the Fourth Proportional to 742,489.40, 1,113,734.10 and 534,092.60

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Solution

The fourth proportional to 742,489.40, 1,113,734.10 and 534,092.60 is: 801,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,489.40 : 1,113,734.10 = 534,092.60 : x
  2. Step 2: Convert to fraction form
    742,489.40/1,113,734.10 = 534,092.60/x
  3. Step 3: Cross multiply
    742,489.40x = 1,113,734.10 × 534,092.60
  4. Step 4: Simplify right side
    742,489.40x = 594,837,141,177.66
  5. Step 5: Solve for x
    x = 594,837,141,177.66/742,489.40
  6. Step 6: Final answer
    x = 801,138.90

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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.