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Finding the Fourth Proportional to 1,198,744.05, 1,795,243.58 and 873,660.85

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Solution

The fourth proportional to 1,198,744.05, 1,795,243.58 and 873,660.85 is: 1,308,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,744.05 : 1,795,243.58 = 873,660.85 : x
  2. Step 2: Convert to fraction form
    1,198,744.05/1,795,243.58 = 873,660.85/x
  3. Step 3: Cross multiply
    1,198,744.05x = 1,795,243.58 × 873,660.85
  4. Step 4: Simplify right side
    1,198,744.05x = 1,568,434,032,059.84
  5. Step 5: Solve for x
    x = 1,568,434,032,059.84/1,198,744.05
  6. Step 6: Final answer
    x = 1,308,397.76

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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.