Home / 417,619.67-576,315.13-226,633.06

Finding the Fourth Proportional to 417,619.67, 576,315.13 and 226,633.06

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Solution

The fourth proportional to 417,619.67, 576,315.13 and 226,633.06 is: 312,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,619.67 : 576,315.13 = 226,633.06 : x
  2. Step 2: Convert to fraction form
    417,619.67/576,315.13 = 226,633.06/x
  3. Step 3: Cross multiply
    417,619.67x = 576,315.13 × 226,633.06
  4. Step 4: Simplify right side
    417,619.67x = 130,612,061,436.20
  5. Step 5: Solve for x
    x = 130,612,061,436.20/417,619.67
  6. Step 6: Final answer
    x = 312,753.61

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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.