Home / 1,435,575.94-1,981,073.62-823,715.30

Finding the Fourth Proportional to 1,435,575.94, 1,981,073.62 and 823,715.30

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Solution

The fourth proportional to 1,435,575.94, 1,981,073.62 and 823,715.30 is: 1,136,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,575.94 : 1,981,073.62 = 823,715.30 : x
  2. Step 2: Convert to fraction form
    1,435,575.94/1,981,073.62 = 823,715.30/x
  3. Step 3: Cross multiply
    1,435,575.94x = 1,981,073.62 × 823,715.30
  4. Step 4: Simplify right side
    1,435,575.94x = 1,631,840,651,220.39
  5. Step 5: Solve for x
    x = 1,631,840,651,220.39/1,435,575.94
  6. Step 6: Final answer
    x = 1,136,714.96

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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.