Home / 996,443.48-1,375,079.10-543,726.68

Finding the Fourth Proportional to 996,443.48, 1,375,079.10 and 543,726.68

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Solution

The fourth proportional to 996,443.48, 1,375,079.10 and 543,726.68 is: 750,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,443.48 : 1,375,079.10 = 543,726.68 : x
  2. Step 2: Convert to fraction form
    996,443.48/1,375,079.10 = 543,726.68/x
  3. Step 3: Cross multiply
    996,443.48x = 1,375,079.10 × 543,726.68
  4. Step 4: Simplify right side
    996,443.48x = 747,667,193,780.39
  5. Step 5: Solve for x
    x = 747,667,193,780.39/996,443.48
  6. Step 6: Final answer
    x = 750,335.78

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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.