Home / 347,682.20-520,867.20-324,062.60

Finding the Fourth Proportional to 347,682.20, 520,867.20 and 324,062.60

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Solution

The fourth proportional to 347,682.20, 520,867.20 and 324,062.60 is: 485,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,682.20 : 520,867.20 = 324,062.60 : x
  2. Step 2: Convert to fraction form
    347,682.20/520,867.20 = 324,062.60/x
  3. Step 3: Cross multiply
    347,682.20x = 520,867.20 × 324,062.60
  4. Step 4: Simplify right side
    347,682.20x = 168,793,579,086.72
  5. Step 5: Solve for x
    x = 168,793,579,086.72/347,682.20
  6. Step 6: Final answer
    x = 485,482.37

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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.