Home / 339,984.20-509,976.30-337,910.60

Finding the Fourth Proportional to 339,984.20, 509,976.30 and 337,910.60

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Solution

The fourth proportional to 339,984.20, 509,976.30 and 337,910.60 is: 506,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,984.20 : 509,976.30 = 337,910.60 : x
  2. Step 2: Convert to fraction form
    339,984.20/509,976.30 = 337,910.60/x
  3. Step 3: Cross multiply
    339,984.20x = 509,976.30 × 337,910.60
  4. Step 4: Simplify right side
    339,984.20x = 172,326,397,518.78
  5. Step 5: Solve for x
    x = 172,326,397,518.78/339,984.20
  6. Step 6: Final answer
    x = 506,865.90

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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.