Home / 417,620.18-576,315.83-226,633.56

Finding the Fourth Proportional to 417,620.18, 576,315.83 and 226,633.56

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Solution

The fourth proportional to 417,620.18, 576,315.83 and 226,633.56 is: 312,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,620.18 : 576,315.83 = 226,633.56 : x
  2. Step 2: Convert to fraction form
    417,620.18/576,315.83 = 226,633.56/x
  3. Step 3: Cross multiply
    417,620.18x = 576,315.83 × 226,633.56
  4. Step 4: Simplify right side
    417,620.18x = 130,612,507,104.09
  5. Step 5: Solve for x
    x = 130,612,507,104.09/417,620.18
  6. Step 6: Final answer
    x = 312,754.30

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1.5x scale

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.