Home / 436,944.49-655,452.30-121,401.43

Finding the Fourth Proportional to 436,944.49, 655,452.30 and 121,401.43

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Solution

The fourth proportional to 436,944.49, 655,452.30 and 121,401.43 is: 182,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,944.49 : 655,452.30 = 121,401.43 : x
  2. Step 2: Convert to fraction form
    436,944.49/655,452.30 = 121,401.43/x
  3. Step 3: Cross multiply
    436,944.49x = 655,452.30 × 121,401.43
  4. Step 4: Simplify right side
    436,944.49x = 79,572,846,516.79
  5. Step 5: Solve for x
    x = 79,572,846,516.79/436,944.49
  6. Step 6: Final answer
    x = 182,112.03

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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.