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Finding the Fourth Proportional to 1,010,794, 1,393,234.56 and 716,544

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Solution

The fourth proportional to 1,010,794, 1,393,234.56 and 716,544 is: 987,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,794 : 1,393,234.56 = 716,544 : x
  2. Step 2: Convert to fraction form
    1,010,794/1,393,234.56 = 716,544/x
  3. Step 3: Cross multiply
    1,010,794x = 1,393,234.56 × 716,544
  4. Step 4: Simplify right side
    1,010,794x = 998,313,864,560.64
  5. Step 5: Solve for x
    x = 998,313,864,560.64/1,010,794
  6. Step 6: Final answer
    x = 987,653.14

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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.