Home / 1,617,384.42-2,231,894.79-892,233.54

Finding the Fourth Proportional to 1,617,384.42, 2,231,894.79 and 892,233.54

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Solution

The fourth proportional to 1,617,384.42, 2,231,894.79 and 892,233.54 is: 1,231,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,384.42 : 2,231,894.79 = 892,233.54 : x
  2. Step 2: Convert to fraction form
    1,617,384.42/2,231,894.79 = 892,233.54/x
  3. Step 3: Cross multiply
    1,617,384.42x = 2,231,894.79 × 892,233.54
  4. Step 4: Simplify right side
    1,617,384.42x = 1,991,371,389,389.26
  5. Step 5: Solve for x
    x = 1,991,371,389,389.26/1,617,384.42
  6. Step 6: Final answer
    x = 1,231,229.49

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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.