Home / 354,450.24-531,924.66-320,570.64

Finding the Fourth Proportional to 354,450.24, 531,924.66 and 320,570.64

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Solution

The fourth proportional to 354,450.24, 531,924.66 and 320,570.64 is: 481,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,450.24 : 531,924.66 = 320,570.64 : x
  2. Step 2: Convert to fraction form
    354,450.24/531,924.66 = 320,570.64/x
  3. Step 3: Cross multiply
    354,450.24x = 531,924.66 × 320,570.64
  4. Step 4: Simplify right side
    354,450.24x = 170,519,428,687.98
  5. Step 5: Solve for x
    x = 170,519,428,687.98/354,450.24
  6. Step 6: Final answer
    x = 481,081.43

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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.