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Finding the Fourth Proportional to 1,148,651.04, 1,722,878 and 699,255.28

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Solution

The fourth proportional to 1,148,651.04, 1,722,878 and 699,255.28 is: 1,048,822.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,651.04 : 1,722,878 = 699,255.28 : x
  2. Step 2: Convert to fraction form
    1,148,651.04/1,722,878 = 699,255.28/x
  3. Step 3: Cross multiply
    1,148,651.04x = 1,722,878 × 699,255.28
  4. Step 4: Simplify right side
    1,148,651.04x = 1,204,731,538,295.84
  5. Step 5: Solve for x
    x = 1,204,731,538,295.84/1,148,651.04
  6. Step 6: Final answer
    x = 1,048,822.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.