Home / 496,921.38-685,906.29-282,204.42

Finding the Fourth Proportional to 496,921.38, 685,906.29 and 282,204.42

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Solution

The fourth proportional to 496,921.38, 685,906.29 and 282,204.42 is: 389,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,921.38 : 685,906.29 = 282,204.42 : x
  2. Step 2: Convert to fraction form
    496,921.38/685,906.29 = 282,204.42/x
  3. Step 3: Cross multiply
    496,921.38x = 685,906.29 × 282,204.42
  4. Step 4: Simplify right side
    496,921.38x = 193,565,786,743.80
  5. Step 5: Solve for x
    x = 193,565,786,743.80/496,921.38
  6. Step 6: Final answer
    x = 389,530.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.