Home / 654,381.38-981,584.37-205,092.30

Finding the Fourth Proportional to 654,381.38, 981,584.37 and 205,092.30

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Solution

The fourth proportional to 654,381.38, 981,584.37 and 205,092.30 is: 307,642.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,381.38 : 981,584.37 = 205,092.30 : x
  2. Step 2: Convert to fraction form
    654,381.38/981,584.37 = 205,092.30/x
  3. Step 3: Cross multiply
    654,381.38x = 981,584.37 × 205,092.30
  4. Step 4: Simplify right side
    654,381.38x = 201,315,396,087.35
  5. Step 5: Solve for x
    x = 201,315,396,087.35/654,381.38
  6. Step 6: Final answer
    x = 307,642.31

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1.5x scale

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.