Home / 1,174,540.11-1,761,743.61-321,549.36

Finding the Fourth Proportional to 1,174,540.11, 1,761,743.61 and 321,549.36

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Solution

The fourth proportional to 1,174,540.11, 1,761,743.61 and 321,549.36 is: 482,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174,540.11 : 1,761,743.61 = 321,549.36 : x
  2. Step 2: Convert to fraction form
    1,174,540.11/1,761,743.61 = 321,549.36/x
  3. Step 3: Cross multiply
    1,174,540.11x = 1,761,743.61 × 321,549.36
  4. Step 4: Simplify right side
    1,174,540.11x = 566,487,530,279.59
  5. Step 5: Solve for x
    x = 566,487,530,279.59/1,174,540.11
  6. Step 6: Final answer
    x = 482,305.82

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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.