Home / 383,492.26-529,221.09-222,442.66

Finding the Fourth Proportional to 383,492.26, 529,221.09 and 222,442.66

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Solution

The fourth proportional to 383,492.26, 529,221.09 and 222,442.66 is: 306,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,492.26 : 529,221.09 = 222,442.66 : x
  2. Step 2: Convert to fraction form
    383,492.26/529,221.09 = 222,442.66/x
  3. Step 3: Cross multiply
    383,492.26x = 529,221.09 × 222,442.66
  4. Step 4: Simplify right side
    383,492.26x = 117,721,346,987.70
  5. Step 5: Solve for x
    x = 117,721,346,987.70/383,492.26
  6. Step 6: Final answer
    x = 306,971.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.