Home / 383,836.06-529,719.72-222,691.18

Finding the Fourth Proportional to 383,836.06, 529,719.72 and 222,691.18

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Solution

The fourth proportional to 383,836.06, 529,719.72 and 222,691.18 is: 307,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,836.06 : 529,719.72 = 222,691.18 : x
  2. Step 2: Convert to fraction form
    383,836.06/529,719.72 = 222,691.18/x
  3. Step 3: Cross multiply
    383,836.06x = 529,719.72 × 222,691.18
  4. Step 4: Simplify right side
    383,836.06x = 117,963,909,516.07
  5. Step 5: Solve for x
    x = 117,963,909,516.07/383,836.06
  6. Step 6: Final answer
    x = 307,328.89

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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.