Home / 386,535.24-579,940.97-235,040.54

Finding the Fourth Proportional to 386,535.24, 579,940.97 and 235,040.54

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Solution

The fourth proportional to 386,535.24, 579,940.97 and 235,040.54 is: 352,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,535.24 : 579,940.97 = 235,040.54 : x
  2. Step 2: Convert to fraction form
    386,535.24/579,940.97 = 235,040.54/x
  3. Step 3: Cross multiply
    386,535.24x = 579,940.97 × 235,040.54
  4. Step 4: Simplify right side
    386,535.24x = 136,309,634,682.02
  5. Step 5: Solve for x
    x = 136,309,634,682.02/386,535.24
  6. Step 6: Final answer
    x = 352,644.78

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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.