Home / 824,669.73-1,237,198.19-256,021.79

Finding the Fourth Proportional to 824,669.73, 1,237,198.19 and 256,021.79

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Solution

The fourth proportional to 824,669.73, 1,237,198.19 and 256,021.79 is: 384,092.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,669.73 : 1,237,198.19 = 256,021.79 : x
  2. Step 2: Convert to fraction form
    824,669.73/1,237,198.19 = 256,021.79/x
  3. Step 3: Cross multiply
    824,669.73x = 1,237,198.19 × 256,021.79
  4. Step 4: Simplify right side
    824,669.73x = 316,749,687,722.46
  5. Step 5: Solve for x
    x = 316,749,687,722.46/824,669.73
  6. Step 6: Final answer
    x = 384,092.78

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Similar ratio
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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.