Home / 1,305,789.88-1,958,699.16-394,981.60

Finding the Fourth Proportional to 1,305,789.88, 1,958,699.16 and 394,981.60

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Solution

The fourth proportional to 1,305,789.88, 1,958,699.16 and 394,981.60 is: 592,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,789.88 : 1,958,699.16 = 394,981.60 : x
  2. Step 2: Convert to fraction form
    1,305,789.88/1,958,699.16 = 394,981.60/x
  3. Step 3: Cross multiply
    1,305,789.88x = 1,958,699.16 × 394,981.60
  4. Step 4: Simplify right side
    1,305,789.88x = 773,650,116,367.05
  5. Step 5: Solve for x
    x = 773,650,116,367.05/1,305,789.88
  6. Step 6: Final answer
    x = 592,476.73

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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.