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Finding the Fourth Proportional to 1,260,662.97, 1,739,860.65 and 701,913.63

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Solution

The fourth proportional to 1,260,662.97, 1,739,860.65 and 701,913.63 is: 968,721.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,662.97 : 1,739,860.65 = 701,913.63 : x
  2. Step 2: Convert to fraction form
    1,260,662.97/1,739,860.65 = 701,913.63/x
  3. Step 3: Cross multiply
    1,260,662.97x = 1,739,860.65 × 701,913.63
  4. Step 4: Simplify right side
    1,260,662.97x = 1,221,231,904,535.66
  5. Step 5: Solve for x
    x = 1,221,231,904,535.66/1,260,662.97
  6. Step 6: Final answer
    x = 968,721.96

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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.