Home / 1,245,072.42-1,718,245.77-693,837.66

Finding the Fourth Proportional to 1,245,072.42, 1,718,245.77 and 693,837.66

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Solution

The fourth proportional to 1,245,072.42, 1,718,245.77 and 693,837.66 is: 957,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,072.42 : 1,718,245.77 = 693,837.66 : x
  2. Step 2: Convert to fraction form
    1,245,072.42/1,718,245.77 = 693,837.66/x
  3. Step 3: Cross multiply
    1,245,072.42x = 1,718,245.77 × 693,837.66
  4. Step 4: Simplify right side
    1,245,072.42x = 1,192,183,624,361.70
  5. Step 5: Solve for x
    x = 1,192,183,624,361.70/1,245,072.42
  6. Step 6: Final answer
    x = 957,521.51

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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.