Home / 436,648.06-655,217.52-170,426.98

Finding the Fourth Proportional to 436,648.06, 655,217.52 and 170,426.98

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Solution

The fourth proportional to 436,648.06, 655,217.52 and 170,426.98 is: 255,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,648.06 : 655,217.52 = 170,426.98 : x
  2. Step 2: Convert to fraction form
    436,648.06/655,217.52 = 170,426.98/x
  3. Step 3: Cross multiply
    436,648.06x = 655,217.52 × 170,426.98
  4. Step 4: Simplify right side
    436,648.06x = 111,666,743,176.69
  5. Step 5: Solve for x
    x = 111,666,743,176.69/436,648.06
  6. Step 6: Final answer
    x = 255,736.26

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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.