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Finding the Fourth Proportional to 1,304,250.32, 1,799,883.83 and 787,932.43

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Solution

The fourth proportional to 1,304,250.32, 1,799,883.83 and 787,932.43 is: 1,087,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,250.32 : 1,799,883.83 = 787,932.43 : x
  2. Step 2: Convert to fraction form
    1,304,250.32/1,799,883.83 = 787,932.43/x
  3. Step 3: Cross multiply
    1,304,250.32x = 1,799,883.83 × 787,932.43
  4. Step 4: Simplify right side
    1,304,250.32x = 1,418,186,839,889.61
  5. Step 5: Solve for x
    x = 1,418,186,839,889.61/1,304,250.32
  6. Step 6: Final answer
    x = 1,087,357.86

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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.