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Finding the Fourth Proportional to 1,444,793.56, 1,993,830.06 and 871,723

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Solution

The fourth proportional to 1,444,793.56, 1,993,830.06 and 871,723 is: 1,202,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,793.56 : 1,993,830.06 = 871,723 : x
  2. Step 2: Convert to fraction form
    1,444,793.56/1,993,830.06 = 871,723/x
  3. Step 3: Cross multiply
    1,444,793.56x = 1,993,830.06 × 871,723
  4. Step 4: Simplify right side
    1,444,793.56x = 1,738,067,521,393.38
  5. Step 5: Solve for x
    x = 1,738,067,521,393.38/1,444,793.56
  6. Step 6: Final answer
    x = 1,202,986.76

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Why These Related Problems?

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