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Finding the Fourth Proportional to 891,562, 1,229,430.75 and 762,926.29

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Solution

The fourth proportional to 891,562, 1,229,430.75 and 762,926.29 is: 1,052,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,562 : 1,229,430.75 = 762,926.29 : x
  2. Step 2: Convert to fraction form
    891,562/1,229,430.75 = 762,926.29/x
  3. Step 3: Cross multiply
    891,562x = 1,229,430.75 × 762,926.29
  4. Step 4: Simplify right side
    891,562x = 937,965,040,909.42
  5. Step 5: Solve for x
    x = 937,965,040,909.42/891,562
  6. Step 6: Final answer
    x = 1,052,046.90

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