Home / 477,739.20-659,224.80-327,057.60

Finding the Fourth Proportional to 477,739.20, 659,224.80 and 327,057.60

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Solution

The fourth proportional to 477,739.20, 659,224.80 and 327,057.60 is: 451,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,739.20 : 659,224.80 = 327,057.60 : x
  2. Step 2: Convert to fraction form
    477,739.20/659,224.80 = 327,057.60/x
  3. Step 3: Cross multiply
    477,739.20x = 659,224.80 × 327,057.60
  4. Step 4: Simplify right side
    477,739.20x = 215,604,480,948.48
  5. Step 5: Solve for x
    x = 215,604,480,948.48/477,739.20
  6. Step 6: Final answer
    x = 451,301.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.