Home / 654,609.96-981,916.11-205,366.23

Finding the Fourth Proportional to 654,609.96, 981,916.11 and 205,366.23

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Solution

The fourth proportional to 654,609.96, 981,916.11 and 205,366.23 is: 308,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,609.96 : 981,916.11 = 205,366.23 : x
  2. Step 2: Convert to fraction form
    654,609.96/981,916.11 = 205,366.23/x
  3. Step 3: Cross multiply
    654,609.96x = 981,916.11 × 205,366.23
  4. Step 4: Simplify right side
    654,609.96x = 201,652,409,686.97
  5. Step 5: Solve for x
    x = 201,652,409,686.97/654,609.96
  6. Step 6: Final answer
    x = 308,049.71

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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.