Home / 725,993.07-1,001,932.45-403,765.96

Finding the Fourth Proportional to 725,993.07, 1,001,932.45 and 403,765.96

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Solution

The fourth proportional to 725,993.07, 1,001,932.45 and 403,765.96 is: 557,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,993.07 : 1,001,932.45 = 403,765.96 : x
  2. Step 2: Convert to fraction form
    725,993.07/1,001,932.45 = 403,765.96/x
  3. Step 3: Cross multiply
    725,993.07x = 1,001,932.45 × 403,765.96
  4. Step 4: Simplify right side
    725,993.07x = 404,546,215,510.57
  5. Step 5: Solve for x
    x = 404,546,215,510.57/725,993.07
  6. Step 6: Final answer
    x = 557,231.51

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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.