Home / 1,436,042.52-1,981,465.74-862,873.56

Finding the Fourth Proportional to 1,436,042.52, 1,981,465.74 and 862,873.56

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Solution

The fourth proportional to 1,436,042.52, 1,981,465.74 and 862,873.56 is: 1,190,601.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,042.52 : 1,981,465.74 = 862,873.56 : x
  2. Step 2: Convert to fraction form
    1,436,042.52/1,981,465.74 = 862,873.56/x
  3. Step 3: Cross multiply
    1,436,042.52x = 1,981,465.74 × 862,873.56
  4. Step 4: Simplify right side
    1,436,042.52x = 1,709,754,397,091.83
  5. Step 5: Solve for x
    x = 1,709,754,397,091.83/1,436,042.52
  6. Step 6: Final answer
    x = 1,190,601.51

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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.