Home / 992,337.12-1,486,793.70-543,381.12

Finding the Fourth Proportional to 992,337.12, 1,486,793.70 and 543,381.12

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Solution

The fourth proportional to 992,337.12, 1,486,793.70 and 543,381.12 is: 814,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,337.12 : 1,486,793.70 = 543,381.12 : x
  2. Step 2: Convert to fraction form
    992,337.12/1,486,793.70 = 543,381.12/x
  3. Step 3: Cross multiply
    992,337.12x = 1,486,793.70 × 543,381.12
  4. Step 4: Simplify right side
    992,337.12x = 807,895,625,914.94
  5. Step 5: Solve for x
    x = 807,895,625,914.94/992,337.12
  6. Step 6: Final answer
    x = 814,134.24

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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.