Home / 579,071.68-868,722.37-179,695.41

Finding the Fourth Proportional to 579,071.68, 868,722.37 and 179,695.41

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Solution

The fourth proportional to 579,071.68, 868,722.37 and 179,695.41 is: 269,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,071.68 : 868,722.37 = 179,695.41 : x
  2. Step 2: Convert to fraction form
    579,071.68/868,722.37 = 179,695.41/x
  3. Step 3: Cross multiply
    579,071.68x = 868,722.37 × 179,695.41
  4. Step 4: Simplify right side
    579,071.68x = 156,105,423,632.94
  5. Step 5: Solve for x
    x = 156,105,423,632.94/579,071.68
  6. Step 6: Final answer
    x = 269,578.76

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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.