Home / 654,408.64-981,584.41-205,119.26

Finding the Fourth Proportional to 654,408.64, 981,584.41 and 205,119.26

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Solution

The fourth proportional to 654,408.64, 981,584.41 and 205,119.26 is: 307,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,408.64 : 981,584.41 = 205,119.26 : x
  2. Step 2: Convert to fraction form
    654,408.64/981,584.41 = 205,119.26/x
  3. Step 3: Cross multiply
    654,408.64x = 981,584.41 × 205,119.26
  4. Step 4: Simplify right side
    654,408.64x = 201,341,867,806.74
  5. Step 5: Solve for x
    x = 201,341,867,806.74/654,408.64
  6. Step 6: Final answer
    x = 307,669.94

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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.