Home / 396,178.50-546,727.23-226,412.22

Finding the Fourth Proportional to 396,178.50, 546,727.23 and 226,412.22

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Solution

The fourth proportional to 396,178.50, 546,727.23 and 226,412.22 is: 312,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,178.50 : 546,727.23 = 226,412.22 : x
  2. Step 2: Convert to fraction form
    396,178.50/546,727.23 = 226,412.22/x
  3. Step 3: Cross multiply
    396,178.50x = 546,727.23 × 226,412.22
  4. Step 4: Simplify right side
    396,178.50x = 123,785,725,878.75
  5. Step 5: Solve for x
    x = 123,785,725,878.75/396,178.50
  6. Step 6: Final answer
    x = 312,449.38

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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.