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Finding the Fourth Proportional to 772,947.36, 1,066,127.67 and 746,936.64

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Solution

The fourth proportional to 772,947.36, 1,066,127.67 and 746,936.64 is: 1,030,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,947.36 : 1,066,127.67 = 746,936.64 : x
  2. Step 2: Convert to fraction form
    772,947.36/1,066,127.67 = 746,936.64/x
  3. Step 3: Cross multiply
    772,947.36x = 1,066,127.67 × 746,936.64
  4. Step 4: Simplify right side
    772,947.36x = 796,329,819,640.83
  5. Step 5: Solve for x
    x = 796,329,819,640.83/772,947.36
  6. Step 6: Final answer
    x = 1,030,251.04

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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.