Home / 394,055.20-543,809.60-233,048.26

Finding the Fourth Proportional to 394,055.20, 543,809.60 and 233,048.26

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Solution

The fourth proportional to 394,055.20, 543,809.60 and 233,048.26 is: 321,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,055.20 : 543,809.60 = 233,048.26 : x
  2. Step 2: Convert to fraction form
    394,055.20/543,809.60 = 233,048.26/x
  3. Step 3: Cross multiply
    394,055.20x = 543,809.60 × 233,048.26
  4. Step 4: Simplify right side
    394,055.20x = 126,733,879,886.06
  5. Step 5: Solve for x
    x = 126,733,879,886.06/394,055.20
  6. Step 6: Final answer
    x = 321,614.53

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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.