Home / 579,110.22-868,774.59-219,388.68

Finding the Fourth Proportional to 579,110.22, 868,774.59 and 219,388.68

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Solution

The fourth proportional to 579,110.22, 868,774.59 and 219,388.68 is: 329,124.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,110.22 : 868,774.59 = 219,388.68 : x
  2. Step 2: Convert to fraction form
    579,110.22/868,774.59 = 219,388.68/x
  3. Step 3: Cross multiply
    579,110.22x = 868,774.59 × 219,388.68
  4. Step 4: Simplify right side
    579,110.22x = 190,599,310,517.64
  5. Step 5: Solve for x
    x = 190,599,310,517.64/579,110.22
  6. Step 6: Final answer
    x = 329,124.41

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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.