Home / 394,872.16-544,923.64-213,584.12

Finding the Fourth Proportional to 394,872.16, 544,923.64 and 213,584.12

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Solution

The fourth proportional to 394,872.16, 544,923.64 and 213,584.12 is: 294,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,872.16 : 544,923.64 = 213,584.12 : x
  2. Step 2: Convert to fraction form
    394,872.16/544,923.64 = 213,584.12/x
  3. Step 3: Cross multiply
    394,872.16x = 544,923.64 × 213,584.12
  4. Step 4: Simplify right side
    394,872.16x = 116,387,036,116.60
  5. Step 5: Solve for x
    x = 116,387,036,116.60/394,872.16
  6. Step 6: Final answer
    x = 294,746.12

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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.