Home / 579,008.22-868,628.44-199,942.86

Finding the Fourth Proportional to 579,008.22, 868,628.44 and 199,942.86

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Solution

The fourth proportional to 579,008.22, 868,628.44 and 199,942.86 is: 299,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,008.22 : 868,628.44 = 199,942.86 : x
  2. Step 2: Convert to fraction form
    579,008.22/868,628.44 = 199,942.86/x
  3. Step 3: Cross multiply
    579,008.22x = 868,628.44 × 199,942.86
  4. Step 4: Simplify right side
    579,008.22x = 173,676,054,570.94
  5. Step 5: Solve for x
    x = 173,676,054,570.94/579,008.22
  6. Step 6: Final answer
    x = 299,954.39

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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.