Home / 1,512,164.39-2,086,780.56-823,834.11

Finding the Fourth Proportional to 1,512,164.39, 2,086,780.56 and 823,834.11

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Solution

The fourth proportional to 1,512,164.39, 2,086,780.56 and 823,834.11 is: 1,136,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,164.39 : 2,086,780.56 = 823,834.11 : x
  2. Step 2: Convert to fraction form
    1,512,164.39/2,086,780.56 = 823,834.11/x
  3. Step 3: Cross multiply
    1,512,164.39x = 2,086,780.56 × 823,834.11
  4. Step 4: Simplify right side
    1,512,164.39x = 1,719,161,005,412.90
  5. Step 5: Solve for x
    x = 1,719,161,005,412.90/1,512,164.39
  6. Step 6: Final answer
    x = 1,136,887.64

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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.