Home / 1,192.95-1,786.97-704.81

Finding the Fourth Proportional to 1,192.95, 1,786.97 and 704.81

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Solution

The fourth proportional to 1,192.95, 1,786.97 and 704.81 is: 1,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.95 : 1,786.97 = 704.81 : x
  2. Step 2: Convert to fraction form
    1,192.95/1,786.97 = 704.81/x
  3. Step 3: Cross multiply
    1,192.95x = 1,786.97 × 704.81
  4. Step 4: Simplify right side
    1,192.95x = 1,259,480.56
  5. Step 5: Solve for x
    x = 1,259,480.56/1,192.95
  6. Step 6: Final answer
    x = 1,055.77

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1.5x scale

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.