Home / 1,436,208.68-1,981,981.18-791,653.60

Finding the Fourth Proportional to 1,436,208.68, 1,981,981.18 and 791,653.60

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Solution

The fourth proportional to 1,436,208.68, 1,981,981.18 and 791,653.60 is: 1,092,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,208.68 : 1,981,981.18 = 791,653.60 : x
  2. Step 2: Convert to fraction form
    1,436,208.68/1,981,981.18 = 791,653.60/x
  3. Step 3: Cross multiply
    1,436,208.68x = 1,981,981.18 × 791,653.60
  4. Step 4: Simplify right side
    1,436,208.68x = 1,569,042,536,279.25
  5. Step 5: Solve for x
    x = 1,569,042,536,279.25/1,436,208.68
  6. Step 6: Final answer
    x = 1,092,489.24

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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.