Home / 722,709.30-1,082,938.05-273,184.95

Finding the Fourth Proportional to 722,709.30, 1,082,938.05 and 273,184.95

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Solution

The fourth proportional to 722,709.30, 1,082,938.05 and 273,184.95 is: 409,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,709.30 : 1,082,938.05 = 273,184.95 : x
  2. Step 2: Convert to fraction form
    722,709.30/1,082,938.05 = 273,184.95/x
  3. Step 3: Cross multiply
    722,709.30x = 1,082,938.05 × 273,184.95
  4. Step 4: Simplify right side
    722,709.30x = 295,842,377,042.35
  5. Step 5: Solve for x
    x = 295,842,377,042.35/722,709.30
  6. Step 6: Final answer
    x = 409,351.83

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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.