Home / 579,297.20-868,945.80-179,934.80

Finding the Fourth Proportional to 579,297.20, 868,945.80 and 179,934.80

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Solution

The fourth proportional to 579,297.20, 868,945.80 and 179,934.80 is: 269,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,297.20 : 868,945.80 = 179,934.80 : x
  2. Step 2: Convert to fraction form
    579,297.20/868,945.80 = 179,934.80/x
  3. Step 3: Cross multiply
    579,297.20x = 868,945.80 × 179,934.80
  4. Step 4: Simplify right side
    579,297.20x = 156,353,588,733.84
  5. Step 5: Solve for x
    x = 156,353,588,733.84/579,297.20
  6. Step 6: Final answer
    x = 269,902.20

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Double scale
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Similar ratio
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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.