Home / 323,836.20-484,976.70-261,628.20

Finding the Fourth Proportional to 323,836.20, 484,976.70 and 261,628.20

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Solution

The fourth proportional to 323,836.20, 484,976.70 and 261,628.20 is: 391,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,836.20 : 484,976.70 = 261,628.20 : x
  2. Step 2: Convert to fraction form
    323,836.20/484,976.70 = 261,628.20/x
  3. Step 3: Cross multiply
    323,836.20x = 484,976.70 × 261,628.20
  4. Step 4: Simplify right side
    323,836.20x = 126,883,581,062.94
  5. Step 5: Solve for x
    x = 126,883,581,062.94/323,836.20
  6. Step 6: Final answer
    x = 391,814.07

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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.