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Finding the Fourth Proportional to 922,793.40, 1,384,190.10 and 879,247.80

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Solution

The fourth proportional to 922,793.40, 1,384,190.10 and 879,247.80 is: 1,318,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,793.40 : 1,384,190.10 = 879,247.80 : x
  2. Step 2: Convert to fraction form
    922,793.40/1,384,190.10 = 879,247.80/x
  3. Step 3: Cross multiply
    922,793.40x = 1,384,190.10 × 879,247.80
  4. Step 4: Simplify right side
    922,793.40x = 1,217,046,100,206.78
  5. Step 5: Solve for x
    x = 1,217,046,100,206.78/922,793.40
  6. Step 6: Final answer
    x = 1,318,871.70

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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.