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Finding the Fourth Proportional to 1,192,663, 1,645,874.94 and 656,119

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Solution

The fourth proportional to 1,192,663, 1,645,874.94 and 656,119 is: 905,444.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,663 : 1,645,874.94 = 656,119 : x
  2. Step 2: Convert to fraction form
    1,192,663/1,645,874.94 = 656,119/x
  3. Step 3: Cross multiply
    1,192,663x = 1,645,874.94 × 656,119
  4. Step 4: Simplify right side
    1,192,663x = 1,079,889,819,757.86
  5. Step 5: Solve for x
    x = 1,079,889,819,757.86/1,192,663
  6. Step 6: Final answer
    x = 905,444.22

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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.