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Finding the Fourth Proportional to 1,171,993.11, 1,766,773.96 and 1,093,872.86

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Solution

The fourth proportional to 1,171,993.11, 1,766,773.96 and 1,093,872.86 is: 1,649,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,993.11 : 1,766,773.96 = 1,093,872.86 : x
  2. Step 2: Convert to fraction form
    1,171,993.11/1,766,773.96 = 1,093,872.86/x
  3. Step 3: Cross multiply
    1,171,993.11x = 1,766,773.96 × 1,093,872.86
  4. Step 4: Simplify right side
    1,171,993.11x = 1,932,626,084,598.73
  5. Step 5: Solve for x
    x = 1,932,626,084,598.73/1,171,993.11
  6. Step 6: Final answer
    x = 1,649,008.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.