Home / 1,388,277-2,082,583.96-391,005

Finding the Fourth Proportional to 1,388,277, 2,082,583.96 and 391,005

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Solution

The fourth proportional to 1,388,277, 2,082,583.96 and 391,005 is: 586,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,277 : 2,082,583.96 = 391,005 : x
  2. Step 2: Convert to fraction form
    1,388,277/2,082,583.96 = 391,005/x
  3. Step 3: Cross multiply
    1,388,277x = 2,082,583.96 × 391,005
  4. Step 4: Simplify right side
    1,388,277x = 814,300,741,279.80
  5. Step 5: Solve for x
    x = 814,300,741,279.80/1,388,277
  6. Step 6: Final answer
    x = 586,554.95

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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.