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Finding the Fourth Proportional to 1,044,531.89, 1,566,797.82 and 689,462.87

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Solution

The fourth proportional to 1,044,531.89, 1,566,797.82 and 689,462.87 is: 1,034,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,531.89 : 1,566,797.82 = 689,462.87 : x
  2. Step 2: Convert to fraction form
    1,044,531.89/1,566,797.82 = 689,462.87/x
  3. Step 3: Cross multiply
    1,044,531.89x = 1,566,797.82 × 689,462.87
  4. Step 4: Simplify right side
    1,044,531.89x = 1,080,248,913,852.95
  5. Step 5: Solve for x
    x = 1,080,248,913,852.95/1,044,531.89
  6. Step 6: Final answer
    x = 1,034,194.29

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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.