Home / 396,514.94-547,200.32-215,226.41

Finding the Fourth Proportional to 396,514.94, 547,200.32 and 215,226.41

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Solution

The fourth proportional to 396,514.94, 547,200.32 and 215,226.41 is: 297,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,514.94 : 547,200.32 = 215,226.41 : x
  2. Step 2: Convert to fraction form
    396,514.94/547,200.32 = 215,226.41/x
  3. Step 3: Cross multiply
    396,514.94x = 547,200.32 × 215,226.41
  4. Step 4: Simplify right side
    396,514.94x = 117,771,956,612.32
  5. Step 5: Solve for x
    x = 117,771,956,612.32/396,514.94
  6. Step 6: Final answer
    x = 297,017.71

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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.