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Finding the Fourth Proportional to 1,044,635.84, 1,566,954.27 and 689,566.87

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Solution

The fourth proportional to 1,044,635.84, 1,566,954.27 and 689,566.87 is: 1,034,350.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,635.84 : 1,566,954.27 = 689,566.87 : x
  2. Step 2: Convert to fraction form
    1,044,635.84/1,566,954.27 = 689,566.87/x
  3. Step 3: Cross multiply
    1,044,635.84x = 1,566,954.27 × 689,566.87
  4. Step 4: Simplify right side
    1,044,635.84x = 1,080,519,751,397.03
  5. Step 5: Solve for x
    x = 1,080,519,751,397.03/1,044,635.84
  6. Step 6: Final answer
    x = 1,034,350.64

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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.