Home / 417,631.14-576,327.96-226,640.43

Finding the Fourth Proportional to 417,631.14, 576,327.96 and 226,640.43

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Solution

The fourth proportional to 417,631.14, 576,327.96 and 226,640.43 is: 312,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,631.14 : 576,327.96 = 226,640.43 : x
  2. Step 2: Convert to fraction form
    417,631.14/576,327.96 = 226,640.43/x
  3. Step 3: Cross multiply
    417,631.14x = 576,327.96 × 226,640.43
  4. Step 4: Simplify right side
    417,631.14x = 130,619,216,675.42
  5. Step 5: Solve for x
    x = 130,619,216,675.42/417,631.14
  6. Step 6: Final answer
    x = 312,762.16

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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.