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Finding the Fourth Proportional to 1,314,675, 1,814,251.68 and 711,063

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Solution

The fourth proportional to 1,314,675, 1,814,251.68 and 711,063 is: 981,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,675 : 1,814,251.68 = 711,063 : x
  2. Step 2: Convert to fraction form
    1,314,675/1,814,251.68 = 711,063/x
  3. Step 3: Cross multiply
    1,314,675x = 1,814,251.68 × 711,063
  4. Step 4: Simplify right side
    1,314,675x = 1,290,047,242,335.84
  5. Step 5: Solve for x
    x = 1,290,047,242,335.84/1,314,675
  6. Step 6: Final answer
    x = 981,267.04

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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.