Home / 1,512,906.66-2,087,783.82-824,584.86

Finding the Fourth Proportional to 1,512,906.66, 2,087,783.82 and 824,584.86

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Solution

The fourth proportional to 1,512,906.66, 2,087,783.82 and 824,584.86 is: 1,137,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,906.66 : 2,087,783.82 = 824,584.86 : x
  2. Step 2: Convert to fraction form
    1,512,906.66/2,087,783.82 = 824,584.86/x
  3. Step 3: Cross multiply
    1,512,906.66x = 2,087,783.82 × 824,584.86
  4. Step 4: Simplify right side
    1,512,906.66x = 1,721,554,928,924.97
  5. Step 5: Solve for x
    x = 1,721,554,928,924.97/1,512,906.66
  6. Step 6: Final answer
    x = 1,137,912.19

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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.