Home / 541,272.42-811,271.97-221,226.84

Finding the Fourth Proportional to 541,272.42, 811,271.97 and 221,226.84

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Solution

The fourth proportional to 541,272.42, 811,271.97 and 221,226.84 is: 331,580.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,272.42 : 811,271.97 = 221,226.84 : x
  2. Step 2: Convert to fraction form
    541,272.42/811,271.97 = 221,226.84/x
  3. Step 3: Cross multiply
    541,272.42x = 811,271.97 × 221,226.84
  4. Step 4: Simplify right side
    541,272.42x = 179,475,134,303.68
  5. Step 5: Solve for x
    x = 179,475,134,303.68/541,272.42
  6. Step 6: Final answer
    x = 331,580.05

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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.