Home / 1,538,863.29-2,123,741.25-850,520.39

Finding the Fourth Proportional to 1,538,863.29, 2,123,741.25 and 850,520.39

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Solution

The fourth proportional to 1,538,863.29, 2,123,741.25 and 850,520.39 is: 1,173,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,863.29 : 2,123,741.25 = 850,520.39 : x
  2. Step 2: Convert to fraction form
    1,538,863.29/2,123,741.25 = 850,520.39/x
  3. Step 3: Cross multiply
    1,538,863.29x = 2,123,741.25 × 850,520.39
  4. Step 4: Simplify right side
    1,538,863.29x = 1,806,285,225,590.38
  5. Step 5: Solve for x
    x = 1,806,285,225,590.38/1,538,863.29
  6. Step 6: Final answer
    x = 1,173,778.88

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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.