Home / 999,208.88-1,378,908.24-546,499.88

Finding the Fourth Proportional to 999,208.88, 1,378,908.24 and 546,499.88

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Solution

The fourth proportional to 999,208.88, 1,378,908.24 and 546,499.88 is: 754,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,208.88 : 1,378,908.24 = 546,499.88 : x
  2. Step 2: Convert to fraction form
    999,208.88/1,378,908.24 = 546,499.88/x
  3. Step 3: Cross multiply
    999,208.88x = 1,378,908.24 × 546,499.88
  4. Step 4: Simplify right side
    999,208.88x = 753,573,187,691.01
  5. Step 5: Solve for x
    x = 753,573,187,691.01/999,208.88
  6. Step 6: Final answer
    x = 754,169.83

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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.