Home / 398,867.22-598,170.98-132,556.24

Finding the Fourth Proportional to 398,867.22, 598,170.98 and 132,556.24

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Solution

The fourth proportional to 398,867.22, 598,170.98 and 132,556.24 is: 198,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,867.22 : 598,170.98 = 132,556.24 : x
  2. Step 2: Convert to fraction form
    398,867.22/598,170.98 = 132,556.24/x
  3. Step 3: Cross multiply
    398,867.22x = 598,170.98 × 132,556.24
  4. Step 4: Simplify right side
    398,867.22x = 79,291,295,985.92
  5. Step 5: Solve for x
    x = 79,291,295,985.92/398,867.22
  6. Step 6: Final answer
    x = 198,791.21

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1.5x scale

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.