Home / 863,489.24-1,191,620.36-481,540.20

Finding the Fourth Proportional to 863,489.24, 1,191,620.36 and 481,540.20

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Solution

The fourth proportional to 863,489.24, 1,191,620.36 and 481,540.20 is: 664,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,489.24 : 1,191,620.36 = 481,540.20 : x
  2. Step 2: Convert to fraction form
    863,489.24/1,191,620.36 = 481,540.20/x
  3. Step 3: Cross multiply
    863,489.24x = 1,191,620.36 × 481,540.20
  4. Step 4: Simplify right side
    863,489.24x = 573,813,106,478.47
  5. Step 5: Solve for x
    x = 573,813,106,478.47/863,489.24
  6. Step 6: Final answer
    x = 664,528.38

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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.