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Finding the Fourth Proportional to 1,364,689, 1,882,662.10 and 791,397.19

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Solution

The fourth proportional to 1,364,689, 1,882,662.10 and 791,397.19 is: 1,091,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,689 : 1,882,662.10 = 791,397.19 : x
  2. Step 2: Convert to fraction form
    1,364,689/1,882,662.10 = 791,397.19/x
  3. Step 3: Cross multiply
    1,364,689x = 1,882,662.10 × 791,397.19
  4. Step 4: Simplify right side
    1,364,689x = 1,489,933,495,659.50
  5. Step 5: Solve for x
    x = 1,489,933,495,659.50/1,364,689
  6. Step 6: Final answer
    x = 1,091,775.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.