Home / 395,327.55-545,551.30-214,039.46

Finding the Fourth Proportional to 395,327.55, 545,551.30 and 214,039.46

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Solution

The fourth proportional to 395,327.55, 545,551.30 and 214,039.46 is: 295,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,327.55 : 545,551.30 = 214,039.46 : x
  2. Step 2: Convert to fraction form
    395,327.55/545,551.30 = 214,039.46/x
  3. Step 3: Cross multiply
    395,327.55x = 545,551.30 × 214,039.46
  4. Step 4: Simplify right side
    395,327.55x = 116,769,502,391.44
  5. Step 5: Solve for x
    x = 116,769,502,391.44/395,327.55
  6. Step 6: Final answer
    x = 295,374.06

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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.