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Finding the Fourth Proportional to 868,902.03, 1,198,658.70 and 754,019.43

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Solution

The fourth proportional to 868,902.03, 1,198,658.70 and 754,019.43 is: 1,040,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,902.03 : 1,198,658.70 = 754,019.43 : x
  2. Step 2: Convert to fraction form
    868,902.03/1,198,658.70 = 754,019.43/x
  3. Step 3: Cross multiply
    868,902.03x = 1,198,658.70 × 754,019.43
  4. Step 4: Simplify right side
    868,902.03x = 903,811,949,738.54
  5. Step 5: Solve for x
    x = 903,811,949,738.54/868,902.03
  6. Step 6: Final answer
    x = 1,040,177.05

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1.5x scale

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.