Home / 1,617,387.42-2,231,898.93-892,236.54

Finding the Fourth Proportional to 1,617,387.42, 2,231,898.93 and 892,236.54

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Solution

The fourth proportional to 1,617,387.42, 2,231,898.93 and 892,236.54 is: 1,231,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,387.42 : 2,231,898.93 = 892,236.54 : x
  2. Step 2: Convert to fraction form
    1,617,387.42/2,231,898.93 = 892,236.54/x
  3. Step 3: Cross multiply
    1,617,387.42x = 2,231,898.93 × 892,236.54
  4. Step 4: Simplify right side
    1,617,387.42x = 1,991,381,778,932.90
  5. Step 5: Solve for x
    x = 1,991,381,778,932.90/1,617,387.42
  6. Step 6: Final answer
    x = 1,231,233.63

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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.