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Finding the Fourth Proportional to 1,067,635.44, 1,599,794.28 and 672,822

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Solution

The fourth proportional to 1,067,635.44, 1,599,794.28 and 672,822 is: 1,008,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,635.44 : 1,599,794.28 = 672,822 : x
  2. Step 2: Convert to fraction form
    1,067,635.44/1,599,794.28 = 672,822/x
  3. Step 3: Cross multiply
    1,067,635.44x = 1,599,794.28 × 672,822
  4. Step 4: Simplify right side
    1,067,635.44x = 1,076,376,787,058.16
  5. Step 5: Solve for x
    x = 1,076,376,787,058.16/1,067,635.44
  6. Step 6: Final answer
    x = 1,008,187.58

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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.