Home / 481,069.60-721,617.36-214,767.52

Finding the Fourth Proportional to 481,069.60, 721,617.36 and 214,767.52

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Solution

The fourth proportional to 481,069.60, 721,617.36 and 214,767.52 is: 322,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,069.60 : 721,617.36 = 214,767.52 : x
  2. Step 2: Convert to fraction form
    481,069.60/721,617.36 = 214,767.52/x
  3. Step 3: Cross multiply
    481,069.60x = 721,617.36 × 214,767.52
  4. Step 4: Simplify right side
    481,069.60x = 154,979,970,796.15
  5. Step 5: Solve for x
    x = 154,979,970,796.15/481,069.60
  6. Step 6: Final answer
    x = 322,157.07

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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.