Home / 415,088.22-622,632.79-115,569.46

Finding the Fourth Proportional to 415,088.22, 622,632.79 and 115,569.46

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Solution

The fourth proportional to 415,088.22, 622,632.79 and 115,569.46 is: 173,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,088.22 : 622,632.79 = 115,569.46 : x
  2. Step 2: Convert to fraction form
    415,088.22/622,632.79 = 115,569.46/x
  3. Step 3: Cross multiply
    415,088.22x = 622,632.79 × 115,569.46
  4. Step 4: Simplify right side
    415,088.22x = 71,957,335,318.59
  5. Step 5: Solve for x
    x = 71,957,335,318.59/415,088.22
  6. Step 6: Final answer
    x = 173,354.32

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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.