Home / 929,372.90-1,392,761.75-501,987.29

Finding the Fourth Proportional to 929,372.90, 1,392,761.75 and 501,987.29

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Solution

The fourth proportional to 929,372.90, 1,392,761.75 and 501,987.29 is: 752,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,372.90 : 1,392,761.75 = 501,987.29 : x
  2. Step 2: Convert to fraction form
    929,372.90/1,392,761.75 = 501,987.29/x
  3. Step 3: Cross multiply
    929,372.90x = 1,392,761.75 × 501,987.29
  4. Step 4: Simplify right side
    929,372.90x = 699,148,687,024.41
  5. Step 5: Solve for x
    x = 699,148,687,024.41/929,372.90
  6. Step 6: Final answer
    x = 752,280.05

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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.