Home / 394,059.40-591,089.10-236,465.80

Finding the Fourth Proportional to 394,059.40, 591,089.10 and 236,465.80

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Solution

The fourth proportional to 394,059.40, 591,089.10 and 236,465.80 is: 354,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,059.40 : 591,089.10 = 236,465.80 : x
  2. Step 2: Convert to fraction form
    394,059.40/591,089.10 = 236,465.80/x
  3. Step 3: Cross multiply
    394,059.40x = 591,089.10 × 236,465.80
  4. Step 4: Simplify right side
    394,059.40x = 139,772,356,902.78
  5. Step 5: Solve for x
    x = 139,772,356,902.78/394,059.40
  6. Step 6: Final answer
    x = 354,698.70

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Similar ratio
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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.