Home / 605,092.20-907,638.30-206,183.40

Finding the Fourth Proportional to 605,092.20, 907,638.30 and 206,183.40

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Solution

The fourth proportional to 605,092.20, 907,638.30 and 206,183.40 is: 309,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,092.20 : 907,638.30 = 206,183.40 : x
  2. Step 2: Convert to fraction form
    605,092.20/907,638.30 = 206,183.40/x
  3. Step 3: Cross multiply
    605,092.20x = 907,638.30 × 206,183.40
  4. Step 4: Simplify right side
    605,092.20x = 187,139,950,664.22
  5. Step 5: Solve for x
    x = 187,139,950,664.22/605,092.20
  6. Step 6: Final answer
    x = 309,275.10

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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.