Home / 395,530.74-545,832.44-214,242.73

Finding the Fourth Proportional to 395,530.74, 545,832.44 and 214,242.73

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Solution

The fourth proportional to 395,530.74, 545,832.44 and 214,242.73 is: 295,654.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,530.74 : 545,832.44 = 214,242.73 : x
  2. Step 2: Convert to fraction form
    395,530.74/545,832.44 = 214,242.73/x
  3. Step 3: Cross multiply
    395,530.74x = 545,832.44 × 214,242.73
  4. Step 4: Simplify right side
    395,530.74x = 116,940,632,068.16
  5. Step 5: Solve for x
    x = 116,940,632,068.16/395,530.74
  6. Step 6: Final answer
    x = 295,654.98

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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.