Home / 396,087.72-546,601.20-214,799.64

Finding the Fourth Proportional to 396,087.72, 546,601.20 and 214,799.64

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Solution

The fourth proportional to 396,087.72, 546,601.20 and 214,799.64 is: 296,423.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,087.72 : 546,601.20 = 214,799.64 : x
  2. Step 2: Convert to fraction form
    396,087.72/546,601.20 = 214,799.64/x
  3. Step 3: Cross multiply
    396,087.72x = 546,601.20 × 214,799.64
  4. Step 4: Simplify right side
    396,087.72x = 117,409,740,983.57
  5. Step 5: Solve for x
    x = 117,409,740,983.57/396,087.72
  6. Step 6: Final answer
    x = 296,423.58

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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.