Home / 396,032.72-546,491.28-226,233.68

Finding the Fourth Proportional to 396,032.72, 546,491.28 and 226,233.68

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Solution

The fourth proportional to 396,032.72, 546,491.28 and 226,233.68 is: 312,183.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,032.72 : 546,491.28 = 226,233.68 : x
  2. Step 2: Convert to fraction form
    396,032.72/546,491.28 = 226,233.68/x
  3. Step 3: Cross multiply
    396,032.72x = 546,491.28 × 226,233.68
  4. Step 4: Simplify right side
    396,032.72x = 123,634,733,362.31
  5. Step 5: Solve for x
    x = 123,634,733,362.31/396,032.72
  6. Step 6: Final answer
    x = 312,183.13

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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.