Home / 1,691,414.28-2,331,893.72-1,343,708.35

Finding the Fourth Proportional to 1,691,414.28, 2,331,893.72 and 1,343,708.35

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Solution

The fourth proportional to 1,691,414.28, 2,331,893.72 and 1,343,708.35 is: 1,852,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,414.28 : 2,331,893.72 = 1,343,708.35 : x
  2. Step 2: Convert to fraction form
    1,691,414.28/2,331,893.72 = 1,343,708.35/x
  3. Step 3: Cross multiply
    1,691,414.28x = 2,331,893.72 × 1,343,708.35
  4. Step 4: Simplify right side
    1,691,414.28x = 3,133,385,062,876.56
  5. Step 5: Solve for x
    x = 3,133,385,062,876.56/1,691,414.28
  6. Step 6: Final answer
    x = 1,852,523.71

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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.