Home / 1,179,959.79-1,769,949.92-381,241.42

Finding the Fourth Proportional to 1,179,959.79, 1,769,949.92 and 381,241.42

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Solution

The fourth proportional to 1,179,959.79, 1,769,949.92 and 381,241.42 is: 571,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,959.79 : 1,769,949.92 = 381,241.42 : x
  2. Step 2: Convert to fraction form
    1,179,959.79/1,769,949.92 = 381,241.42/x
  3. Step 3: Cross multiply
    1,179,959.79x = 1,769,949.92 × 381,241.42
  4. Step 4: Simplify right side
    1,179,959.79x = 674,778,211,979.94
  5. Step 5: Solve for x
    x = 674,778,211,979.94/1,179,959.79
  6. Step 6: Final answer
    x = 571,865.43

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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.