Home / 394,952.04-545,033.07-213,664.14

Finding the Fourth Proportional to 394,952.04, 545,033.07 and 213,664.14

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Solution

The fourth proportional to 394,952.04, 545,033.07 and 213,664.14 is: 294,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,952.04 : 545,033.07 = 213,664.14 : x
  2. Step 2: Convert to fraction form
    394,952.04/545,033.07 = 213,664.14/x
  3. Step 3: Cross multiply
    394,952.04x = 545,033.07 × 213,664.14
  4. Step 4: Simplify right side
    394,952.04x = 116,454,022,173.11
  5. Step 5: Solve for x
    x = 116,454,022,173.11/394,952.04
  6. Step 6: Final answer
    x = 294,856.11

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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.