Home / 351,432.20-527,148.30-325,512.20

Finding the Fourth Proportional to 351,432.20, 527,148.30 and 325,512.20

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Solution

The fourth proportional to 351,432.20, 527,148.30 and 325,512.20 is: 488,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,432.20 : 527,148.30 = 325,512.20 : x
  2. Step 2: Convert to fraction form
    351,432.20/527,148.30 = 325,512.20/x
  3. Step 3: Cross multiply
    351,432.20x = 527,148.30 × 325,512.20
  4. Step 4: Simplify right side
    351,432.20x = 171,593,202,859.26
  5. Step 5: Solve for x
    x = 171,593,202,859.26/351,432.20
  6. Step 6: Final answer
    x = 488,268.30

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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.