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Finding the Fourth Proportional to 1,044,631.59, 1,566,947.90 and 689,562.62

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Solution

The fourth proportional to 1,044,631.59, 1,566,947.90 and 689,562.62 is: 1,034,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,631.59 : 1,566,947.90 = 689,562.62 : x
  2. Step 2: Convert to fraction form
    1,044,631.59/1,566,947.90 = 689,562.62/x
  3. Step 3: Cross multiply
    1,044,631.59x = 1,566,947.90 × 689,562.62
  4. Step 4: Simplify right side
    1,044,631.59x = 1,080,508,699,327.50
  5. Step 5: Solve for x
    x = 1,080,508,699,327.50/1,044,631.59
  6. Step 6: Final answer
    x = 1,034,344.27

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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.