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Finding the Fourth Proportional to 1,805,578, 2,491,698 and 1,000,762

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Solution

The fourth proportional to 1,805,578, 2,491,698 and 1,000,762 is: 1,381,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,578 : 2,491,698 = 1,000,762 : x
  2. Step 2: Convert to fraction form
    1,805,578/2,491,698 = 1,000,762/x
  3. Step 3: Cross multiply
    1,805,578x = 2,491,698 × 1,000,762
  4. Step 4: Simplify right side
    1,805,578x = 2,493,596,673,876
  5. Step 5: Solve for x
    x = 2,493,596,673,876/1,805,578
  6. Step 6: Final answer
    x = 1,381,051.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.