Home / 415,333.20-622,769.40-165,733.20

Finding the Fourth Proportional to 415,333.20, 622,769.40 and 165,733.20

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Solution

The fourth proportional to 415,333.20, 622,769.40 and 165,733.20 is: 248,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,333.20 : 622,769.40 = 165,733.20 : x
  2. Step 2: Convert to fraction form
    415,333.20/622,769.40 = 165,733.20/x
  3. Step 3: Cross multiply
    415,333.20x = 622,769.40 × 165,733.20
  4. Step 4: Simplify right side
    415,333.20x = 103,213,565,524.08
  5. Step 5: Solve for x
    x = 103,213,565,524.08/415,333.20
  6. Step 6: Final answer
    x = 248,507.86

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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.