Home / 448,738.40-673,107.60-322,767.20

Finding the Fourth Proportional to 448,738.40, 673,107.60 and 322,767.20

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Solution

The fourth proportional to 448,738.40, 673,107.60 and 322,767.20 is: 484,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,738.40 : 673,107.60 = 322,767.20 : x
  2. Step 2: Convert to fraction form
    448,738.40/673,107.60 = 322,767.20/x
  3. Step 3: Cross multiply
    448,738.40x = 673,107.60 × 322,767.20
  4. Step 4: Simplify right side
    448,738.40x = 217,257,055,350.72
  5. Step 5: Solve for x
    x = 217,257,055,350.72/448,738.40
  6. Step 6: Final answer
    x = 484,150.80

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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.