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Finding the Fourth Proportional to 1,079,252, 1,618,956.48 and 414,404

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Solution

The fourth proportional to 1,079,252, 1,618,956.48 and 414,404 is: 621,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,252 : 1,618,956.48 = 414,404 : x
  2. Step 2: Convert to fraction form
    1,079,252/1,618,956.48 = 414,404/x
  3. Step 3: Cross multiply
    1,079,252x = 1,618,956.48 × 414,404
  4. Step 4: Simplify right side
    1,079,252x = 670,902,041,137.92
  5. Step 5: Solve for x
    x = 670,902,041,137.92/1,079,252
  6. Step 6: Final answer
    x = 621,636.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.