Home / 555,837.31-766,759.66-338,112.55

Finding the Fourth Proportional to 555,837.31, 766,759.66 and 338,112.55

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Solution

The fourth proportional to 555,837.31, 766,759.66 and 338,112.55 is: 466,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,837.31 : 766,759.66 = 338,112.55 : x
  2. Step 2: Convert to fraction form
    555,837.31/766,759.66 = 338,112.55/x
  3. Step 3: Cross multiply
    555,837.31x = 766,759.66 × 338,112.55
  4. Step 4: Simplify right side
    555,837.31x = 259,251,063,879.73
  5. Step 5: Solve for x
    x = 259,251,063,879.73/555,837.31
  6. Step 6: Final answer
    x = 466,415.37

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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.