Home / 417,620.55-576,316.34-226,633.94

Finding the Fourth Proportional to 417,620.55, 576,316.34 and 226,633.94

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Solution

The fourth proportional to 417,620.55, 576,316.34 and 226,633.94 is: 312,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,620.55 : 576,316.34 = 226,633.94 : x
  2. Step 2: Convert to fraction form
    417,620.55/576,316.34 = 226,633.94/x
  3. Step 3: Cross multiply
    417,620.55x = 576,316.34 × 226,633.94
  4. Step 4: Simplify right side
    417,620.55x = 130,612,838,805.83
  5. Step 5: Solve for x
    x = 130,612,838,805.83/417,620.55
  6. Step 6: Final answer
    x = 312,754.82

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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.