Home / 1,436,007.18-1,981,662.73-782,638.66

Finding the Fourth Proportional to 1,436,007.18, 1,981,662.73 and 782,638.66

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Solution

The fourth proportional to 1,436,007.18, 1,981,662.73 and 782,638.66 is: 1,080,026.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,007.18 : 1,981,662.73 = 782,638.66 : x
  2. Step 2: Convert to fraction form
    1,436,007.18/1,981,662.73 = 782,638.66/x
  3. Step 3: Cross multiply
    1,436,007.18x = 1,981,662.73 × 782,638.66
  4. Step 4: Simplify right side
    1,436,007.18x = 1,550,925,863,579.14
  5. Step 5: Solve for x
    x = 1,550,925,863,579.14/1,436,007.18
  6. Step 6: Final answer
    x = 1,080,026.54

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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.