Home / 981,122.48-1,471,866.24-341,399.60

Finding the Fourth Proportional to 981,122.48, 1,471,866.24 and 341,399.60

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Solution

The fourth proportional to 981,122.48, 1,471,866.24 and 341,399.60 is: 512,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,122.48 : 1,471,866.24 = 341,399.60 : x
  2. Step 2: Convert to fraction form
    981,122.48/1,471,866.24 = 341,399.60/x
  3. Step 3: Cross multiply
    981,122.48x = 1,471,866.24 × 341,399.60
  4. Step 4: Simplify right side
    981,122.48x = 502,494,545,589.50
  5. Step 5: Solve for x
    x = 502,494,545,589.50/981,122.48
  6. Step 6: Final answer
    x = 512,162.91

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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.