Home / 654,317.91-981,477.27-205,073.82

Finding the Fourth Proportional to 654,317.91, 981,477.27 and 205,073.82

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Solution

The fourth proportional to 654,317.91, 981,477.27 and 205,073.82 is: 307,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,317.91 : 981,477.27 = 205,073.82 : x
  2. Step 2: Convert to fraction form
    654,317.91/981,477.27 = 205,073.82/x
  3. Step 3: Cross multiply
    654,317.91x = 981,477.27 × 205,073.82
  4. Step 4: Simplify right side
    654,317.91x = 201,275,293,002.07
  5. Step 5: Solve for x
    x = 201,275,293,002.07/654,317.91
  6. Step 6: Final answer
    x = 307,610.86

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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.