Home / 541,290.20-811,589.70-225,872.60

Finding the Fourth Proportional to 541,290.20, 811,589.70 and 225,872.60

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Solution

The fourth proportional to 541,290.20, 811,589.70 and 225,872.60 is: 338,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,290.20 : 811,589.70 = 225,872.60 : x
  2. Step 2: Convert to fraction form
    541,290.20/811,589.70 = 225,872.60/x
  3. Step 3: Cross multiply
    541,290.20x = 811,589.70 × 225,872.60
  4. Step 4: Simplify right side
    541,290.20x = 183,315,875,672.22
  5. Step 5: Solve for x
    x = 183,315,875,672.22/541,290.20
  6. Step 6: Final answer
    x = 338,664.69

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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.