Home / 579,844.56-800,191.98-321,726.18

Finding the Fourth Proportional to 579,844.56, 800,191.98 and 321,726.18

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Solution

The fourth proportional to 579,844.56, 800,191.98 and 321,726.18 is: 443,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,844.56 : 800,191.98 = 321,726.18 : x
  2. Step 2: Convert to fraction form
    579,844.56/800,191.98 = 321,726.18/x
  3. Step 3: Cross multiply
    579,844.56x = 800,191.98 × 321,726.18
  4. Step 4: Simplify right side
    579,844.56x = 257,442,708,992.04
  5. Step 5: Solve for x
    x = 257,442,708,992.04/579,844.56
  6. Step 6: Final answer
    x = 443,985.73

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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.