Home / 324,730.96-447,837.55-270,463.30

Finding the Fourth Proportional to 324,730.96, 447,837.55 and 270,463.30

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Solution

The fourth proportional to 324,730.96, 447,837.55 and 270,463.30 is: 372,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,730.96 : 447,837.55 = 270,463.30 : x
  2. Step 2: Convert to fraction form
    324,730.96/447,837.55 = 270,463.30/x
  3. Step 3: Cross multiply
    324,730.96x = 447,837.55 × 270,463.30
  4. Step 4: Simplify right side
    324,730.96x = 121,123,619,841.16
  5. Step 5: Solve for x
    x = 121,123,619,841.16/324,730.96
  6. Step 6: Final answer
    x = 372,996.84

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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.