Home / 325,610.13-488,956.47-219,675.61

Finding the Fourth Proportional to 325,610.13, 488,956.47 and 219,675.61

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Solution

The fourth proportional to 325,610.13, 488,956.47 and 219,675.61 is: 329,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,610.13 : 488,956.47 = 219,675.61 : x
  2. Step 2: Convert to fraction form
    325,610.13/488,956.47 = 219,675.61/x
  3. Step 3: Cross multiply
    325,610.13x = 488,956.47 × 219,675.61
  4. Step 4: Simplify right side
    325,610.13x = 107,411,810,388.84
  5. Step 5: Solve for x
    x = 107,411,810,388.84/325,610.13
  6. Step 6: Final answer
    x = 329,878.59

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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.