Home / 618,180.20-926,579.10-263,133.80

Finding the Fourth Proportional to 618,180.20, 926,579.10 and 263,133.80

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Solution

The fourth proportional to 618,180.20, 926,579.10 and 263,133.80 is: 394,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,180.20 : 926,579.10 = 263,133.80 : x
  2. Step 2: Convert to fraction form
    618,180.20/926,579.10 = 263,133.80/x
  3. Step 3: Cross multiply
    618,180.20x = 926,579.10 × 263,133.80
  4. Step 4: Simplify right side
    618,180.20x = 243,814,279,583.58
  5. Step 5: Solve for x
    x = 243,814,279,583.58/618,180.20
  6. Step 6: Final answer
    x = 394,406.48

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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.