Home / 992,244.12-1,486,654.38-543,288.12

Finding the Fourth Proportional to 992,244.12, 1,486,654.38 and 543,288.12

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Solution

The fourth proportional to 992,244.12, 1,486,654.38 and 543,288.12 is: 813,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,244.12 : 1,486,654.38 = 543,288.12 : x
  2. Step 2: Convert to fraction form
    992,244.12/1,486,654.38 = 543,288.12/x
  3. Step 3: Cross multiply
    992,244.12x = 1,486,654.38 × 543,288.12
  4. Step 4: Simplify right side
    992,244.12x = 807,681,663,199.97
  5. Step 5: Solve for x
    x = 807,681,663,199.97/992,244.12
  6. Step 6: Final answer
    x = 813,994.91

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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.