Home / 865,839.72-1,194,863.24-483,872.88

Finding the Fourth Proportional to 865,839.72, 1,194,863.24 and 483,872.88

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Solution

The fourth proportional to 865,839.72, 1,194,863.24 and 483,872.88 is: 667,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,839.72 : 1,194,863.24 = 483,872.88 : x
  2. Step 2: Convert to fraction form
    865,839.72/1,194,863.24 = 483,872.88/x
  3. Step 3: Cross multiply
    865,839.72x = 1,194,863.24 × 483,872.88
  4. Step 4: Simplify right side
    865,839.72x = 578,161,917,144.93
  5. Step 5: Solve for x
    x = 578,161,917,144.93/865,839.72
  6. Step 6: Final answer
    x = 667,747.05

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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.