Home / 1,208,451.00-1,667,629.08-664,586.78

Finding the Fourth Proportional to 1,208,451.00, 1,667,629.08 and 664,586.78

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Solution

The fourth proportional to 1,208,451.00, 1,667,629.08 and 664,586.78 is: 917,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,451.00 : 1,667,629.08 = 664,586.78 : x
  2. Step 2: Convert to fraction form
    1,208,451.00/1,667,629.08 = 664,586.78/x
  3. Step 3: Cross multiply
    1,208,451.00x = 1,667,629.08 × 664,586.78
  4. Step 4: Simplify right side
    1,208,451.00x = 1,108,284,229,369.72
  5. Step 5: Solve for x
    x = 1,108,284,229,369.72/1,208,451.00
  6. Step 6: Final answer
    x = 917,111.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.