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Finding the Fourth Proportional to 1,295,924.04, 1,788,375.94 and 722,964.22

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Solution

The fourth proportional to 1,295,924.04, 1,788,375.94 and 722,964.22 is: 997,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,924.04 : 1,788,375.94 = 722,964.22 : x
  2. Step 2: Convert to fraction form
    1,295,924.04/1,788,375.94 = 722,964.22/x
  3. Step 3: Cross multiply
    1,295,924.04x = 1,788,375.94 × 722,964.22
  4. Step 4: Simplify right side
    1,295,924.04x = 1,292,931,816,528.87
  5. Step 5: Solve for x
    x = 1,292,931,816,528.87/1,295,924.04
  6. Step 6: Final answer
    x = 997,691.05

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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.