Home / 415,352.20-622,995.90-162,583.60

Finding the Fourth Proportional to 415,352.20, 622,995.90 and 162,583.60

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Solution

The fourth proportional to 415,352.20, 622,995.90 and 162,583.60 is: 243,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,352.20 : 622,995.90 = 162,583.60 : x
  2. Step 2: Convert to fraction form
    415,352.20/622,995.90 = 162,583.60/x
  3. Step 3: Cross multiply
    415,352.20x = 622,995.90 × 162,583.60
  4. Step 4: Simplify right side
    415,352.20x = 101,288,916,207.24
  5. Step 5: Solve for x
    x = 101,288,916,207.24/415,352.20
  6. Step 6: Final answer
    x = 243,862.72

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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.