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Finding the Fourth Proportional to 1,044,531.63, 1,566,797.45 and 689,462.61

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Solution

The fourth proportional to 1,044,531.63, 1,566,797.45 and 689,462.61 is: 1,034,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,531.63 : 1,566,797.45 = 689,462.61 : x
  2. Step 2: Convert to fraction form
    1,044,531.63/1,566,797.45 = 689,462.61/x
  3. Step 3: Cross multiply
    1,044,531.63x = 1,566,797.45 × 689,462.61
  4. Step 4: Simplify right side
    1,044,531.63x = 1,080,248,255,771.03
  5. Step 5: Solve for x
    x = 1,080,248,255,771.03/1,044,531.63
  6. Step 6: Final answer
    x = 1,034,193.92

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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.