Home / 1,474,195.65-2,211,305.78-409,320.75

Finding the Fourth Proportional to 1,474,195.65, 2,211,305.78 and 409,320.75

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Solution

The fourth proportional to 1,474,195.65, 2,211,305.78 and 409,320.75 is: 613,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,195.65 : 2,211,305.78 = 409,320.75 : x
  2. Step 2: Convert to fraction form
    1,474,195.65/2,211,305.78 = 409,320.75/x
  3. Step 3: Cross multiply
    1,474,195.65x = 2,211,305.78 × 409,320.75
  4. Step 4: Simplify right side
    1,474,195.65x = 905,133,340,348.94
  5. Step 5: Solve for x
    x = 905,133,340,348.94/1,474,195.65
  6. Step 6: Final answer
    x = 613,984.54

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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.