Home / 868,770.05-1,198,910.61-481,589.64

Finding the Fourth Proportional to 868,770.05, 1,198,910.61 and 481,589.64

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Solution

The fourth proportional to 868,770.05, 1,198,910.61 and 481,589.64 is: 664,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,770.05 : 1,198,910.61 = 481,589.64 : x
  2. Step 2: Convert to fraction form
    868,770.05/1,198,910.61 = 481,589.64/x
  3. Step 3: Cross multiply
    868,770.05x = 1,198,910.61 × 481,589.64
  4. Step 4: Simplify right side
    868,770.05x = 577,382,929,062.08
  5. Step 5: Solve for x
    x = 577,382,929,062.08/868,770.05
  6. Step 6: Final answer
    x = 664,598.11

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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.