Home / 396,048.30-594,072.45-228,086.70

Finding the Fourth Proportional to 396,048.30, 594,072.45 and 228,086.70

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Solution

The fourth proportional to 396,048.30, 594,072.45 and 228,086.70 is: 342,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,048.30 : 594,072.45 = 228,086.70 : x
  2. Step 2: Convert to fraction form
    396,048.30/594,072.45 = 228,086.70/x
  3. Step 3: Cross multiply
    396,048.30x = 594,072.45 × 228,086.70
  4. Step 4: Simplify right side
    396,048.30x = 135,500,024,681.42
  5. Step 5: Solve for x
    x = 135,500,024,681.42/396,048.30
  6. Step 6: Final answer
    x = 342,130.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.