Home / 348,057.60-522,086.40-327,321.60

Finding the Fourth Proportional to 348,057.60, 522,086.40 and 327,321.60

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Solution

The fourth proportional to 348,057.60, 522,086.40 and 327,321.60 is: 490,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,057.60 : 522,086.40 = 327,321.60 : x
  2. Step 2: Convert to fraction form
    348,057.60/522,086.40 = 327,321.60/x
  3. Step 3: Cross multiply
    348,057.60x = 522,086.40 × 327,321.60
  4. Step 4: Simplify right side
    348,057.60x = 170,890,155,786.24
  5. Step 5: Solve for x
    x = 170,890,155,786.24/348,057.60
  6. Step 6: Final answer
    x = 490,982.40

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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.