Home / 415,086.22-622,629.79-115,567.46

Finding the Fourth Proportional to 415,086.22, 622,629.79 and 115,567.46

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Solution

The fourth proportional to 415,086.22, 622,629.79 and 115,567.46 is: 173,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,086.22 : 622,629.79 = 115,567.46 : x
  2. Step 2: Convert to fraction form
    415,086.22/622,629.79 = 115,567.46/x
  3. Step 3: Cross multiply
    415,086.22x = 622,629.79 × 115,567.46
  4. Step 4: Simplify right side
    415,086.22x = 71,955,742,283.43
  5. Step 5: Solve for x
    x = 71,955,742,283.43/415,086.22
  6. Step 6: Final answer
    x = 173,351.31

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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.