Home / 395,128.14-545,285.16-233,924.37

Finding the Fourth Proportional to 395,128.14, 545,285.16 and 233,924.37

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Solution

The fourth proportional to 395,128.14, 545,285.16 and 233,924.37 is: 322,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,128.14 : 545,285.16 = 233,924.37 : x
  2. Step 2: Convert to fraction form
    395,128.14/545,285.16 = 233,924.37/x
  3. Step 3: Cross multiply
    395,128.14x = 545,285.16 × 233,924.37
  4. Step 4: Simplify right side
    395,128.14x = 127,555,487,523.35
  5. Step 5: Solve for x
    x = 127,555,487,523.35/395,128.14
  6. Step 6: Final answer
    x = 322,820.56

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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.