Home / 664,411.60-995,961.30-327,176.20

Finding the Fourth Proportional to 664,411.60, 995,961.30 and 327,176.20

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Solution

The fourth proportional to 664,411.60, 995,961.30 and 327,176.20 is: 490,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,411.60 : 995,961.30 = 327,176.20 : x
  2. Step 2: Convert to fraction form
    664,411.60/995,961.30 = 327,176.20/x
  3. Step 3: Cross multiply
    664,411.60x = 995,961.30 × 327,176.20
  4. Step 4: Simplify right side
    664,411.60x = 325,854,833,481.06
  5. Step 5: Solve for x
    x = 325,854,833,481.06/664,411.60
  6. Step 6: Final answer
    x = 490,441.22

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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.