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Finding the Fourth Proportional to 1,822,866.78, 2,734,687.89 and 624,467.46

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Solution

The fourth proportional to 1,822,866.78, 2,734,687.89 and 624,467.46 is: 936,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,866.78 : 2,734,687.89 = 624,467.46 : x
  2. Step 2: Convert to fraction form
    1,822,866.78/2,734,687.89 = 624,467.46/x
  3. Step 3: Cross multiply
    1,822,866.78x = 2,734,687.89 × 624,467.46
  4. Step 4: Simplify right side
    1,822,866.78x = 1,707,723,600,561.06
  5. Step 5: Solve for x
    x = 1,707,723,600,561.06/1,822,866.78
  6. Step 6: Final answer
    x = 936,834.01

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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.