Home / 605,024.20-907,536.30-206,115.40

Finding the Fourth Proportional to 605,024.20, 907,536.30 and 206,115.40

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Solution

The fourth proportional to 605,024.20, 907,536.30 and 206,115.40 is: 309,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,024.20 : 907,536.30 = 206,115.40 : x
  2. Step 2: Convert to fraction form
    605,024.20/907,536.30 = 206,115.40/x
  3. Step 3: Cross multiply
    605,024.20x = 907,536.30 × 206,115.40
  4. Step 4: Simplify right side
    605,024.20x = 187,057,207,489.02
  5. Step 5: Solve for x
    x = 187,057,207,489.02/605,024.20
  6. Step 6: Final answer
    x = 309,173.10

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Similar ratio
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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.