Home / 383,968.60-529,876.89-214,202.72

Finding the Fourth Proportional to 383,968.60, 529,876.89 and 214,202.72

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Solution

The fourth proportional to 383,968.60, 529,876.89 and 214,202.72 is: 295,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,968.60 : 529,876.89 = 214,202.72 : x
  2. Step 2: Convert to fraction form
    383,968.60/529,876.89 = 214,202.72/x
  3. Step 3: Cross multiply
    383,968.60x = 529,876.89 × 214,202.72
  4. Step 4: Simplify right side
    383,968.60x = 113,501,072,427.83
  5. Step 5: Solve for x
    x = 113,501,072,427.83/383,968.60
  6. Step 6: Final answer
    x = 295,599.88

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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.