Home / 1,904,469.84-2,857,447.80-838,762.56

Finding the Fourth Proportional to 1,904,469.84, 2,857,447.80 and 838,762.56

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Solution

The fourth proportional to 1,904,469.84, 2,857,447.80 and 838,762.56 is: 1,258,471.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,469.84 : 2,857,447.80 = 838,762.56 : x
  2. Step 2: Convert to fraction form
    1,904,469.84/2,857,447.80 = 838,762.56/x
  3. Step 3: Cross multiply
    1,904,469.84x = 2,857,447.80 × 838,762.56
  4. Step 4: Simplify right side
    1,904,469.84x = 2,396,720,231,794.37
  5. Step 5: Solve for x
    x = 2,396,720,231,794.37/1,904,469.84
  6. Step 6: Final answer
    x = 1,258,471.09

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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.