Home / 579,062.06-868,709.19-199,996.70

Finding the Fourth Proportional to 579,062.06, 868,709.19 and 199,996.70

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Solution

The fourth proportional to 579,062.06, 868,709.19 and 199,996.70 is: 300,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,062.06 : 868,709.19 = 199,996.70 : x
  2. Step 2: Convert to fraction form
    579,062.06/868,709.19 = 199,996.70/x
  3. Step 3: Cross multiply
    579,062.06x = 868,709.19 × 199,996.70
  4. Step 4: Simplify right side
    579,062.06x = 173,738,971,259.67
  5. Step 5: Solve for x
    x = 173,738,971,259.67/579,062.06
  6. Step 6: Final answer
    x = 300,035.15

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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.