Home / 395,905.60-546,350.24-214,618.56

Finding the Fourth Proportional to 395,905.60, 546,350.24 and 214,618.56

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Solution

The fourth proportional to 395,905.60, 546,350.24 and 214,618.56 is: 296,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,905.60 : 546,350.24 = 214,618.56 : x
  2. Step 2: Convert to fraction form
    395,905.60/546,350.24 = 214,618.56/x
  3. Step 3: Cross multiply
    395,905.60x = 546,350.24 × 214,618.56
  4. Step 4: Simplify right side
    395,905.60x = 117,256,901,764.45
  5. Step 5: Solve for x
    x = 117,256,901,764.45/395,905.60
  6. Step 6: Final answer
    x = 296,173.89

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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.