Home / 579,199.68-799,295.04-321,093.12

Finding the Fourth Proportional to 579,199.68, 799,295.04 and 321,093.12

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Solution

The fourth proportional to 579,199.68, 799,295.04 and 321,093.12 is: 443,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,199.68 : 799,295.04 = 321,093.12 : x
  2. Step 2: Convert to fraction form
    579,199.68/799,295.04 = 321,093.12/x
  3. Step 3: Cross multiply
    579,199.68x = 799,295.04 × 321,093.12
  4. Step 4: Simplify right side
    579,199.68x = 256,648,138,194.13
  5. Step 5: Solve for x
    x = 256,648,138,194.13/579,199.68
  6. Step 6: Final answer
    x = 443,108.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.