Home / 396,002.10-594,003.15-393,669.30

Finding the Fourth Proportional to 396,002.10, 594,003.15 and 393,669.30

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Solution

The fourth proportional to 396,002.10, 594,003.15 and 393,669.30 is: 590,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,002.10 : 594,003.15 = 393,669.30 : x
  2. Step 2: Convert to fraction form
    396,002.10/594,003.15 = 393,669.30/x
  3. Step 3: Cross multiply
    396,002.10x = 594,003.15 × 393,669.30
  4. Step 4: Simplify right side
    396,002.10x = 233,840,804,258.30
  5. Step 5: Solve for x
    x = 233,840,804,258.30/396,002.10
  6. Step 6: Final answer
    x = 590,503.95

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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.