Home / 621,941.88-932,912.28-172,662.44

Finding the Fourth Proportional to 621,941.88, 932,912.28 and 172,662.44

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Solution

The fourth proportional to 621,941.88, 932,912.28 and 172,662.44 is: 258,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,941.88 : 932,912.28 = 172,662.44 : x
  2. Step 2: Convert to fraction form
    621,941.88/932,912.28 = 172,662.44/x
  3. Step 3: Cross multiply
    621,941.88x = 932,912.28 × 172,662.44
  4. Step 4: Simplify right side
    621,941.88x = 161,078,910,570.76
  5. Step 5: Solve for x
    x = 161,078,910,570.76/621,941.88
  6. Step 6: Final answer
    x = 258,993.51

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Double scale
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1.5x scale

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.