Home / 654,485.34-981,618.65-181,218.54

Finding the Fourth Proportional to 654,485.34, 981,618.65 and 181,218.54

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Solution

The fourth proportional to 654,485.34, 981,618.65 and 181,218.54 is: 271,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,485.34 : 981,618.65 = 181,218.54 : x
  2. Step 2: Convert to fraction form
    654,485.34/981,618.65 = 181,218.54/x
  3. Step 3: Cross multiply
    654,485.34x = 981,618.65 × 181,218.54
  4. Step 4: Simplify right side
    654,485.34x = 177,887,498,589.77
  5. Step 5: Solve for x
    x = 177,887,498,589.77/654,485.34
  6. Step 6: Final answer
    x = 271,797.53

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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.