Home / 579,121.16-868,643.61-200,047.33

Finding the Fourth Proportional to 579,121.16, 868,643.61 and 200,047.33

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Solution

The fourth proportional to 579,121.16, 868,643.61 and 200,047.33 is: 300,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,121.16 : 868,643.61 = 200,047.33 : x
  2. Step 2: Convert to fraction form
    579,121.16/868,643.61 = 200,047.33/x
  3. Step 3: Cross multiply
    579,121.16x = 868,643.61 × 200,047.33
  4. Step 4: Simplify right side
    579,121.16x = 173,769,835,237.69
  5. Step 5: Solve for x
    x = 173,769,835,237.69/579,121.16
  6. Step 6: Final answer
    x = 300,057.83

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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.