Home / 394,628.27-544,585.38-213,340.15

Finding the Fourth Proportional to 394,628.27, 544,585.38 and 213,340.15

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Solution

The fourth proportional to 394,628.27, 544,585.38 and 213,340.15 is: 294,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,628.27 : 544,585.38 = 213,340.15 : x
  2. Step 2: Convert to fraction form
    394,628.27/544,585.38 = 213,340.15/x
  3. Step 3: Cross multiply
    394,628.27x = 544,585.38 × 213,340.15
  4. Step 4: Simplify right side
    394,628.27x = 116,181,923,934.08
  5. Step 5: Solve for x
    x = 116,181,923,934.08/394,628.27
  6. Step 6: Final answer
    x = 294,408.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.