Home / 541,736.40-812,734.20-261,022.80

Finding the Fourth Proportional to 541,736.40, 812,734.20 and 261,022.80

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Solution

The fourth proportional to 541,736.40, 812,734.20 and 261,022.80 is: 391,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,736.40 : 812,734.20 = 261,022.80 : x
  2. Step 2: Convert to fraction form
    541,736.40/812,734.20 = 261,022.80/x
  3. Step 3: Cross multiply
    541,736.40x = 812,734.20 × 261,022.80
  4. Step 4: Simplify right side
    541,736.40x = 212,142,156,539.76
  5. Step 5: Solve for x
    x = 212,142,156,539.76/541,736.40
  6. Step 6: Final answer
    x = 391,596.64

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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.