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Finding the Fourth Proportional to 1,000,839.26, 1,499,821.38 and 568,899.95

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Solution

The fourth proportional to 1,000,839.26, 1,499,821.38 and 568,899.95 is: 852,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,839.26 : 1,499,821.38 = 568,899.95 : x
  2. Step 2: Convert to fraction form
    1,000,839.26/1,499,821.38 = 568,899.95/x
  3. Step 3: Cross multiply
    1,000,839.26x = 1,499,821.38 × 568,899.95
  4. Step 4: Simplify right side
    1,000,839.26x = 853,248,300,591.82
  5. Step 5: Solve for x
    x = 853,248,300,591.82/1,000,839.26
  6. Step 6: Final answer
    x = 852,532.80

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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.