Home / 515,926.91-773,606.19-276,321.62

Finding the Fourth Proportional to 515,926.91, 773,606.19 and 276,321.62

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Solution

The fourth proportional to 515,926.91, 773,606.19 and 276,321.62 is: 414,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,926.91 : 773,606.19 = 276,321.62 : x
  2. Step 2: Convert to fraction form
    515,926.91/773,606.19 = 276,321.62/x
  3. Step 3: Cross multiply
    515,926.91x = 773,606.19 × 276,321.62
  4. Step 4: Simplify right side
    515,926.91x = 213,764,115,662.83
  5. Step 5: Solve for x
    x = 213,764,115,662.83/515,926.91
  6. Step 6: Final answer
    x = 414,330.23

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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.