Home / 756,399.36-1,134,610.92-223,974.48

Finding the Fourth Proportional to 756,399.36, 1,134,610.92 and 223,974.48

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Solution

The fourth proportional to 756,399.36, 1,134,610.92 and 223,974.48 is: 335,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,399.36 : 1,134,610.92 = 223,974.48 : x
  2. Step 2: Convert to fraction form
    756,399.36/1,134,610.92 = 223,974.48/x
  3. Step 3: Cross multiply
    756,399.36x = 1,134,610.92 × 223,974.48
  4. Step 4: Simplify right side
    756,399.36x = 254,123,890,809.32
  5. Step 5: Solve for x
    x = 254,123,890,809.32/756,399.36
  6. Step 6: Final answer
    x = 335,965.24

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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.