Home / 415,046.20-622,569.30-115,526.20

Finding the Fourth Proportional to 415,046.20, 622,569.30 and 115,526.20

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Solution

The fourth proportional to 415,046.20, 622,569.30 and 115,526.20 is: 173,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,046.20 : 622,569.30 = 115,526.20 : x
  2. Step 2: Convert to fraction form
    415,046.20/622,569.30 = 115,526.20/x
  3. Step 3: Cross multiply
    415,046.20x = 622,569.30 × 115,526.20
  4. Step 4: Simplify right side
    415,046.20x = 71,923,065,465.66
  5. Step 5: Solve for x
    x = 71,923,065,465.66/415,046.20
  6. Step 6: Final answer
    x = 173,289.30

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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.