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Finding the Fourth Proportional to 3,978,706.14, 5,969,223.79 and 1,282,977.14

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Solution

The fourth proportional to 3,978,706.14, 5,969,223.79 and 1,282,977.14 is: 1,924,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,706.14 : 5,969,223.79 = 1,282,977.14 : x
  2. Step 2: Convert to fraction form
    3,978,706.14/5,969,223.79 = 1,282,977.14/x
  3. Step 3: Cross multiply
    3,978,706.14x = 5,969,223.79 × 1,282,977.14
  4. Step 4: Simplify right side
    3,978,706.14x = 7,658,377,633,060.60
  5. Step 5: Solve for x
    x = 7,658,377,633,060.60/3,978,706.14
  6. Step 6: Final answer
    x = 1,924,841.23

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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.