Home / 579,048.91-868,222.77-259,141.22

Finding the Fourth Proportional to 579,048.91, 868,222.77 and 259,141.22

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Solution

The fourth proportional to 579,048.91, 868,222.77 and 259,141.22 is: 388,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,048.91 : 868,222.77 = 259,141.22 : x
  2. Step 2: Convert to fraction form
    579,048.91/868,222.77 = 259,141.22/x
  3. Step 3: Cross multiply
    579,048.91x = 868,222.77 × 259,141.22
  4. Step 4: Simplify right side
    579,048.91x = 224,992,305,728.68
  5. Step 5: Solve for x
    x = 224,992,305,728.68/579,048.91
  6. Step 6: Final answer
    x = 388,554.92

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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.