Home / 827,206.01-1,240,935.03-422,177.03

Finding the Fourth Proportional to 827,206.01, 1,240,935.03 and 422,177.03

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Solution

The fourth proportional to 827,206.01, 1,240,935.03 and 422,177.03 is: 633,329.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,206.01 : 1,240,935.03 = 422,177.03 : x
  2. Step 2: Convert to fraction form
    827,206.01/1,240,935.03 = 422,177.03/x
  3. Step 3: Cross multiply
    827,206.01x = 1,240,935.03 × 422,177.03
  4. Step 4: Simplify right side
    827,206.01x = 523,894,259,183.69
  5. Step 5: Solve for x
    x = 523,894,259,183.69/827,206.01
  6. Step 6: Final answer
    x = 633,329.85

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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.