Home / 1,298,204.38-1,945,565.87-1,010,363.56

Finding the Fourth Proportional to 1,298,204.38, 1,945,565.87 and 1,010,363.56

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Solution

The fourth proportional to 1,298,204.38, 1,945,565.87 and 1,010,363.56 is: 1,514,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,204.38 : 1,945,565.87 = 1,010,363.56 : x
  2. Step 2: Convert to fraction form
    1,298,204.38/1,945,565.87 = 1,010,363.56/x
  3. Step 3: Cross multiply
    1,298,204.38x = 1,945,565.87 × 1,010,363.56
  4. Step 4: Simplify right side
    1,298,204.38x = 1,965,728,856,289.69
  5. Step 5: Solve for x
    x = 1,965,728,856,289.69/1,298,204.38
  6. Step 6: Final answer
    x = 1,514,190.59

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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.