Home / 681,617.10-1,022,425.65-201,862.20

Finding the Fourth Proportional to 681,617.10, 1,022,425.65 and 201,862.20

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Solution

The fourth proportional to 681,617.10, 1,022,425.65 and 201,862.20 is: 302,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,617.10 : 1,022,425.65 = 201,862.20 : x
  2. Step 2: Convert to fraction form
    681,617.10/1,022,425.65 = 201,862.20/x
  3. Step 3: Cross multiply
    681,617.10x = 1,022,425.65 × 201,862.20
  4. Step 4: Simplify right side
    681,617.10x = 206,389,091,045.43
  5. Step 5: Solve for x
    x = 206,389,091,045.43/681,617.10
  6. Step 6: Final answer
    x = 302,793.30

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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.