Home / 1,512,191.43-2,086,817.72-823,861.13

Finding the Fourth Proportional to 1,512,191.43, 2,086,817.72 and 823,861.13

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Solution

The fourth proportional to 1,512,191.43, 2,086,817.72 and 823,861.13 is: 1,136,924.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,191.43 : 2,086,817.72 = 823,861.13 : x
  2. Step 2: Convert to fraction form
    1,512,191.43/2,086,817.72 = 823,861.13/x
  3. Step 3: Cross multiply
    1,512,191.43x = 2,086,817.72 × 823,861.13
  4. Step 4: Simplify right side
    1,512,191.43x = 1,719,247,990,349.83
  5. Step 5: Solve for x
    x = 1,719,247,990,349.83/1,512,191.43
  6. Step 6: Final answer
    x = 1,136,924.83

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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.