Home / 579,845.56-800,193.36-321,727.18

Finding the Fourth Proportional to 579,845.56, 800,193.36 and 321,727.18

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Solution

The fourth proportional to 579,845.56, 800,193.36 and 321,727.18 is: 443,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,845.56 : 800,193.36 = 321,727.18 : x
  2. Step 2: Convert to fraction form
    579,845.56/800,193.36 = 321,727.18/x
  3. Step 3: Cross multiply
    579,845.56x = 800,193.36 × 321,727.18
  4. Step 4: Simplify right side
    579,845.56x = 257,443,953,167.53
  5. Step 5: Solve for x
    x = 257,443,953,167.53/579,845.56
  6. Step 6: Final answer
    x = 443,987.11

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1.5x scale

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.