Home / 1,321,757.80-1,981,522.14-573,240.04

Finding the Fourth Proportional to 1,321,757.80, 1,981,522.14 and 573,240.04

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Solution

The fourth proportional to 1,321,757.80, 1,981,522.14 and 573,240.04 is: 859,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,757.80 : 1,981,522.14 = 573,240.04 : x
  2. Step 2: Convert to fraction form
    1,321,757.80/1,981,522.14 = 573,240.04/x
  3. Step 3: Cross multiply
    1,321,757.80x = 1,981,522.14 × 573,240.04
  4. Step 4: Simplify right side
    1,321,757.80x = 1,135,887,830,794.49
  5. Step 5: Solve for x
    x = 1,135,887,830,794.49/1,321,757.80
  6. Step 6: Final answer
    x = 859,376.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.