Home / 415,346.20-622,986.90-162,577.60

Finding the Fourth Proportional to 415,346.20, 622,986.90 and 162,577.60

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Solution

The fourth proportional to 415,346.20, 622,986.90 and 162,577.60 is: 243,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,346.20 : 622,986.90 = 162,577.60 : x
  2. Step 2: Convert to fraction form
    415,346.20/622,986.90 = 162,577.60/x
  3. Step 3: Cross multiply
    415,346.20x = 622,986.90 × 162,577.60
  4. Step 4: Simplify right side
    415,346.20x = 101,283,715,033.44
  5. Step 5: Solve for x
    x = 101,283,715,033.44/415,346.20
  6. Step 6: Final answer
    x = 243,853.72

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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.