Home / 1,416,179.40-1,954,336.32-843,243.72

Finding the Fourth Proportional to 1,416,179.40, 1,954,336.32 and 843,243.72

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Solution

The fourth proportional to 1,416,179.40, 1,954,336.32 and 843,243.72 is: 1,163,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,179.40 : 1,954,336.32 = 843,243.72 : x
  2. Step 2: Convert to fraction form
    1,416,179.40/1,954,336.32 = 843,243.72/x
  3. Step 3: Cross multiply
    1,416,179.40x = 1,954,336.32 × 843,243.72
  4. Step 4: Simplify right side
    1,416,179.40x = 1,647,981,828,607.91
  5. Step 5: Solve for x
    x = 1,647,981,828,607.91/1,416,179.40
  6. Step 6: Final answer
    x = 1,163,681.54

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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.