Home / 335,221.20-503,868.60-329,000.40

Finding the Fourth Proportional to 335,221.20, 503,868.60 and 329,000.40

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Solution

The fourth proportional to 335,221.20, 503,868.60 and 329,000.40 is: 494,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,221.20 : 503,868.60 = 329,000.40 : x
  2. Step 2: Convert to fraction form
    335,221.20/503,868.60 = 329,000.40/x
  3. Step 3: Cross multiply
    335,221.20x = 503,868.60 × 329,000.40
  4. Step 4: Simplify right side
    335,221.20x = 165,772,970,947.44
  5. Step 5: Solve for x
    x = 165,772,970,947.44/335,221.20
  6. Step 6: Final answer
    x = 494,518.16

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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.