Home / 396,256.86-546,776.46-226,458.18

Finding the Fourth Proportional to 396,256.86, 546,776.46 and 226,458.18

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Solution

The fourth proportional to 396,256.86, 546,776.46 and 226,458.18 is: 312,479.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,256.86 : 546,776.46 = 226,458.18 : x
  2. Step 2: Convert to fraction form
    396,256.86/546,776.46 = 226,458.18/x
  3. Step 3: Cross multiply
    396,256.86x = 546,776.46 × 226,458.18
  4. Step 4: Simplify right side
    396,256.86x = 123,822,001,998.44
  5. Step 5: Solve for x
    x = 123,822,001,998.44/396,256.86
  6. Step 6: Final answer
    x = 312,479.14

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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.