Home / 825,452.18-1,139,367.33-539,016.98

Finding the Fourth Proportional to 825,452.18, 1,139,367.33 and 539,016.98

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Solution

The fourth proportional to 825,452.18, 1,139,367.33 and 539,016.98 is: 744,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,452.18 : 1,139,367.33 = 539,016.98 : x
  2. Step 2: Convert to fraction form
    825,452.18/1,139,367.33 = 539,016.98/x
  3. Step 3: Cross multiply
    825,452.18x = 1,139,367.33 × 539,016.98
  4. Step 4: Simplify right side
    825,452.18x = 614,138,337,327.26
  5. Step 5: Solve for x
    x = 614,138,337,327.26/825,452.18
  6. Step 6: Final answer
    x = 744,002.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.