Home / 946,733.66-1,420,805.79-694,665.51

Finding the Fourth Proportional to 946,733.66, 1,420,805.79 and 694,665.51

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Solution

The fourth proportional to 946,733.66, 1,420,805.79 and 694,665.51 is: 1,042,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,733.66 : 1,420,805.79 = 694,665.51 : x
  2. Step 2: Convert to fraction form
    946,733.66/1,420,805.79 = 694,665.51/x
  3. Step 3: Cross multiply
    946,733.66x = 1,420,805.79 × 694,665.51
  4. Step 4: Simplify right side
    946,733.66x = 986,984,778,721.30
  5. Step 5: Solve for x
    x = 986,984,778,721.30/946,733.66
  6. Step 6: Final answer
    x = 1,042,515.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.