Home / 396,404.11-547,031.76-233,079.07

Finding the Fourth Proportional to 396,404.11, 547,031.76 and 233,079.07

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Solution

The fourth proportional to 396,404.11, 547,031.76 and 233,079.07 is: 321,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,404.11 : 547,031.76 = 233,079.07 : x
  2. Step 2: Convert to fraction form
    396,404.11/547,031.76 = 233,079.07/x
  3. Step 3: Cross multiply
    396,404.11x = 547,031.76 × 233,079.07
  4. Step 4: Simplify right side
    396,404.11x = 127,501,653,881.26
  5. Step 5: Solve for x
    x = 127,501,653,881.26/396,404.11
  6. Step 6: Final answer
    x = 321,645.64

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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.