Home / 394,336.28-591,641.79-124,506.05

Finding the Fourth Proportional to 394,336.28, 591,641.79 and 124,506.05

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Solution

The fourth proportional to 394,336.28, 591,641.79 and 124,506.05 is: 186,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,336.28 : 591,641.79 = 124,506.05 : x
  2. Step 2: Convert to fraction form
    394,336.28/591,641.79 = 124,506.05/x
  3. Step 3: Cross multiply
    394,336.28x = 591,641.79 × 124,506.05
  4. Step 4: Simplify right side
    394,336.28x = 73,662,979,329.62
  5. Step 5: Solve for x
    x = 73,662,979,329.62/394,336.28
  6. Step 6: Final answer
    x = 186,802.44

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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.