Home / 1,259,540.10-1,738,151.19-686,567.70

Finding the Fourth Proportional to 1,259,540.10, 1,738,151.19 and 686,567.70

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Solution

The fourth proportional to 1,259,540.10, 1,738,151.19 and 686,567.70 is: 947,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,540.10 : 1,738,151.19 = 686,567.70 : x
  2. Step 2: Convert to fraction form
    1,259,540.10/1,738,151.19 = 686,567.70/x
  3. Step 3: Cross multiply
    1,259,540.10x = 1,738,151.19 × 686,567.70
  4. Step 4: Simplify right side
    1,259,540.10x = 1,193,358,464,770.56
  5. Step 5: Solve for x
    x = 1,193,358,464,770.56/1,259,540.10
  6. Step 6: Final answer
    x = 947,455.71

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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.