Home / 541,335.74-811,634.55-274,581.89

Finding the Fourth Proportional to 541,335.74, 811,634.55 and 274,581.89

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Solution

The fourth proportional to 541,335.74, 811,634.55 and 274,581.89 is: 411,685.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,335.74 : 811,634.55 = 274,581.89 : x
  2. Step 2: Convert to fraction form
    541,335.74/811,634.55 = 274,581.89/x
  3. Step 3: Cross multiply
    541,335.74x = 811,634.55 × 274,581.89
  4. Step 4: Simplify right side
    541,335.74x = 222,860,144,670.13
  5. Step 5: Solve for x
    x = 222,860,144,670.13/541,335.74
  6. Step 6: Final answer
    x = 411,685.63

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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.