Home / 618,964.24-928,495.76-263,981.44

Finding the Fourth Proportional to 618,964.24, 928,495.76 and 263,981.44

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Solution

The fourth proportional to 618,964.24, 928,495.76 and 263,981.44 is: 395,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,964.24 : 928,495.76 = 263,981.44 : x
  2. Step 2: Convert to fraction form
    618,964.24/928,495.76 = 263,981.44/x
  3. Step 3: Cross multiply
    618,964.24x = 928,495.76 × 263,981.44
  4. Step 4: Simplify right side
    618,964.24x = 245,105,647,758.69
  5. Step 5: Solve for x
    x = 245,105,647,758.69/618,964.24
  6. Step 6: Final answer
    x = 395,993.23

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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.