Home / 481,071.60-721,620.36-214,769.52

Finding the Fourth Proportional to 481,071.60, 721,620.36 and 214,769.52

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Solution

The fourth proportional to 481,071.60, 721,620.36 and 214,769.52 is: 322,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071.60 : 721,620.36 = 214,769.52 : x
  2. Step 2: Convert to fraction form
    481,071.60/721,620.36 = 214,769.52/x
  3. Step 3: Cross multiply
    481,071.60x = 721,620.36 × 214,769.52
  4. Step 4: Simplify right side
    481,071.60x = 154,982,058,339.43
  5. Step 5: Solve for x
    x = 154,982,058,339.43/481,071.60
  6. Step 6: Final answer
    x = 322,160.07

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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.