Home / 515,566.27-773,249.23-259,330.60

Finding the Fourth Proportional to 515,566.27, 773,249.23 and 259,330.60

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Solution

The fourth proportional to 515,566.27, 773,249.23 and 259,330.60 is: 388,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,566.27 : 773,249.23 = 259,330.60 : x
  2. Step 2: Convert to fraction form
    515,566.27/773,249.23 = 259,330.60/x
  3. Step 3: Cross multiply
    515,566.27x = 773,249.23 × 259,330.60
  4. Step 4: Simplify right side
    515,566.27x = 200,527,186,765.44
  5. Step 5: Solve for x
    x = 200,527,186,765.44/515,566.27
  6. Step 6: Final answer
    x = 388,945.51

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Double scale
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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.