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Finding the Fourth Proportional to 1,252,866.94, 1,728,957.52 and 679,907.14

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Solution

The fourth proportional to 1,252,866.94, 1,728,957.52 and 679,907.14 is: 938,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,866.94 : 1,728,957.52 = 679,907.14 : x
  2. Step 2: Convert to fraction form
    1,252,866.94/1,728,957.52 = 679,907.14/x
  3. Step 3: Cross multiply
    1,252,866.94x = 1,728,957.52 × 679,907.14
  4. Step 4: Simplify right side
    1,252,866.94x = 1,175,530,562,604.69
  5. Step 5: Solve for x
    x = 1,175,530,562,604.69/1,252,866.94
  6. Step 6: Final answer
    x = 938,272.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.