Home / 436,784.22-655,179.99-121,265.73

Finding the Fourth Proportional to 436,784.22, 655,179.99 and 121,265.73

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Solution

The fourth proportional to 436,784.22, 655,179.99 and 121,265.73 is: 181,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,784.22 : 655,179.99 = 121,265.73 : x
  2. Step 2: Convert to fraction form
    436,784.22/655,179.99 = 121,265.73/x
  3. Step 3: Cross multiply
    436,784.22x = 655,179.99 × 121,265.73
  4. Step 4: Simplify right side
    436,784.22x = 79,450,879,768.74
  5. Step 5: Solve for x
    x = 79,450,879,768.74/436,784.22
  6. Step 6: Final answer
    x = 181,899.61

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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.