Home / 1,512,164.19-2,086,780.33-823,833.93

Finding the Fourth Proportional to 1,512,164.19, 2,086,780.33 and 823,833.93

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Solution

The fourth proportional to 1,512,164.19, 2,086,780.33 and 823,833.93 is: 1,136,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,164.19 : 2,086,780.33 = 823,833.93 : x
  2. Step 2: Convert to fraction form
    1,512,164.19/2,086,780.33 = 823,833.93/x
  3. Step 3: Cross multiply
    1,512,164.19x = 2,086,780.33 × 823,833.93
  4. Step 4: Simplify right side
    1,512,164.19x = 1,719,160,449,165.82
  5. Step 5: Solve for x
    x = 1,719,160,449,165.82/1,512,164.19
  6. Step 6: Final answer
    x = 1,136,887.42

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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.