Home / 681,851.68-1,022,613.50-208,541.14

Finding the Fourth Proportional to 681,851.68, 1,022,613.50 and 208,541.14

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Solution

The fourth proportional to 681,851.68, 1,022,613.50 and 208,541.14 is: 312,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,851.68 : 1,022,613.50 = 208,541.14 : x
  2. Step 2: Convert to fraction form
    681,851.68/1,022,613.50 = 208,541.14/x
  3. Step 3: Cross multiply
    681,851.68x = 1,022,613.50 × 208,541.14
  4. Step 4: Simplify right side
    681,851.68x = 213,256,985,069.39
  5. Step 5: Solve for x
    x = 213,256,985,069.39/681,851.68
  6. Step 6: Final answer
    x = 312,761.55

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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.