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Finding the Fourth Proportional to 1,234,449.26, 1,849,992.63 and 694,962.86

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Solution

The fourth proportional to 1,234,449.26, 1,849,992.63 and 694,962.86 is: 1,041,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,449.26 : 1,849,992.63 = 694,962.86 : x
  2. Step 2: Convert to fraction form
    1,234,449.26/1,849,992.63 = 694,962.86/x
  3. Step 3: Cross multiply
    1,234,449.26x = 1,849,992.63 × 694,962.86
  4. Step 4: Simplify right side
    1,234,449.26x = 1,285,676,169,123.72
  5. Step 5: Solve for x
    x = 1,285,676,169,123.72/1,234,449.26
  6. Step 6: Final answer
    x = 1,041,497.78

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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.