Home / 541,335.61-811,634.36-274,581.76

Finding the Fourth Proportional to 541,335.61, 811,634.36 and 274,581.76

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Solution

The fourth proportional to 541,335.61, 811,634.36 and 274,581.76 is: 411,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,335.61 : 811,634.36 = 274,581.76 : x
  2. Step 2: Convert to fraction form
    541,335.61/811,634.36 = 274,581.76/x
  3. Step 3: Cross multiply
    541,335.61x = 811,634.36 × 274,581.76
  4. Step 4: Simplify right side
    541,335.61x = 222,859,991,045.27
  5. Step 5: Solve for x
    x = 222,859,991,045.27/541,335.61
  6. Step 6: Final answer
    x = 411,685.44

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1.5x scale

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.