Home / 1,259,540.60-1,738,151.88-686,568.20

Finding the Fourth Proportional to 1,259,540.60, 1,738,151.88 and 686,568.20

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Solution

The fourth proportional to 1,259,540.60, 1,738,151.88 and 686,568.20 is: 947,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,540.60 : 1,738,151.88 = 686,568.20 : x
  2. Step 2: Convert to fraction form
    1,259,540.60/1,738,151.88 = 686,568.20/x
  3. Step 3: Cross multiply
    1,259,540.60x = 1,738,151.88 × 686,568.20
  4. Step 4: Simplify right side
    1,259,540.60x = 1,193,359,807,578.22
  5. Step 5: Solve for x
    x = 1,193,359,807,578.22/1,259,540.60
  6. Step 6: Final answer
    x = 947,456.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.