Home / 874,448.46-1,206,824.94-511,850.34

Finding the Fourth Proportional to 874,448.46, 1,206,824.94 and 511,850.34

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Solution

The fourth proportional to 874,448.46, 1,206,824.94 and 511,850.34 is: 706,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,448.46 : 1,206,824.94 = 511,850.34 : x
  2. Step 2: Convert to fraction form
    874,448.46/1,206,824.94 = 511,850.34/x
  3. Step 3: Cross multiply
    874,448.46x = 1,206,824.94 × 511,850.34
  4. Step 4: Simplify right side
    874,448.46x = 617,713,755,859.48
  5. Step 5: Solve for x
    x = 617,713,755,859.48/874,448.46
  6. Step 6: Final answer
    x = 706,403.85

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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.