Home / 384,344.80-576,517.20-171,112.30

Finding the Fourth Proportional to 384,344.80, 576,517.20 and 171,112.30

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Solution

The fourth proportional to 384,344.80, 576,517.20 and 171,112.30 is: 256,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,344.80 : 576,517.20 = 171,112.30 : x
  2. Step 2: Convert to fraction form
    384,344.80/576,517.20 = 171,112.30/x
  3. Step 3: Cross multiply
    384,344.80x = 576,517.20 × 171,112.30
  4. Step 4: Simplify right side
    384,344.80x = 98,649,184,081.56
  5. Step 5: Solve for x
    x = 98,649,184,081.56/384,344.80
  6. Step 6: Final answer
    x = 256,668.45

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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.