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Finding the Fourth Proportional to 1,252,926.63, 1,728,942.98 and 736,701.48

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Solution

The fourth proportional to 1,252,926.63, 1,728,942.98 and 736,701.48 is: 1,016,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,926.63 : 1,728,942.98 = 736,701.48 : x
  2. Step 2: Convert to fraction form
    1,252,926.63/1,728,942.98 = 736,701.48/x
  3. Step 3: Cross multiply
    1,252,926.63x = 1,728,942.98 × 736,701.48
  4. Step 4: Simplify right side
    1,252,926.63x = 1,273,714,848,518.10
  5. Step 5: Solve for x
    x = 1,273,714,848,518.10/1,252,926.63
  6. Step 6: Final answer
    x = 1,016,591.73

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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.