Home / 1,435,544.91-1,981,096.84-823,809.57

Finding the Fourth Proportional to 1,435,544.91, 1,981,096.84 and 823,809.57

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Solution

The fourth proportional to 1,435,544.91, 1,981,096.84 and 823,809.57 is: 1,136,882.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,544.91 : 1,981,096.84 = 823,809.57 : x
  2. Step 2: Convert to fraction form
    1,435,544.91/1,981,096.84 = 823,809.57/x
  3. Step 3: Cross multiply
    1,435,544.91x = 1,981,096.84 × 823,809.57
  4. Step 4: Simplify right side
    1,435,544.91x = 1,632,046,535,999.15
  5. Step 5: Solve for x
    x = 1,632,046,535,999.15/1,435,544.91
  6. Step 6: Final answer
    x = 1,136,882.95

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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.