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Finding the Fourth Proportional to 1,928,676, 2,893,014 and 746,724

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Solution

The fourth proportional to 1,928,676, 2,893,014 and 746,724 is: 1,120,086

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,676 : 2,893,014 = 746,724 : x
  2. Step 2: Convert to fraction form
    1,928,676/2,893,014 = 746,724/x
  3. Step 3: Cross multiply
    1,928,676x = 2,893,014 × 746,724
  4. Step 4: Simplify right side
    1,928,676x = 2,160,282,986,136
  5. Step 5: Solve for x
    x = 2,160,282,986,136/1,928,676
  6. Step 6: Final answer
    x = 1,120,086

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.