Home / 1,265,997.35-1,899,162.79-412,769.41

Finding the Fourth Proportional to 1,265,997.35, 1,899,162.79 and 412,769.41

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Solution

The fourth proportional to 1,265,997.35, 1,899,162.79 and 412,769.41 is: 619,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,997.35 : 1,899,162.79 = 412,769.41 : x
  2. Step 2: Convert to fraction form
    1,265,997.35/1,899,162.79 = 412,769.41/x
  3. Step 3: Cross multiply
    1,265,997.35x = 1,899,162.79 × 412,769.41
  4. Step 4: Simplify right side
    1,265,997.35x = 783,916,298,542.42
  5. Step 5: Solve for x
    x = 783,916,298,542.42/1,265,997.35
  6. Step 6: Final answer
    x = 619,208.48

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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.