Home / 396,384.84-547,011.45-226,622.52

Finding the Fourth Proportional to 396,384.84, 547,011.45 and 226,622.52

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Solution

The fourth proportional to 396,384.84, 547,011.45 and 226,622.52 is: 312,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,384.84 : 547,011.45 = 226,622.52 : x
  2. Step 2: Convert to fraction form
    396,384.84/547,011.45 = 226,622.52/x
  3. Step 3: Cross multiply
    396,384.84x = 547,011.45 × 226,622.52
  4. Step 4: Simplify right side
    396,384.84x = 123,965,113,267.85
  5. Step 5: Solve for x
    x = 123,965,113,267.85/396,384.84
  6. Step 6: Final answer
    x = 312,739.29

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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.