Home / 439,623.34-658,401.62-214,277.58

Finding the Fourth Proportional to 439,623.34, 658,401.62 and 214,277.58

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Solution

The fourth proportional to 439,623.34, 658,401.62 and 214,277.58 is: 320,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,623.34 : 658,401.62 = 214,277.58 : x
  2. Step 2: Convert to fraction form
    439,623.34/658,401.62 = 214,277.58/x
  3. Step 3: Cross multiply
    439,623.34x = 658,401.62 × 214,277.58
  4. Step 4: Simplify right side
    439,623.34x = 141,080,705,801.68
  5. Step 5: Solve for x
    x = 141,080,705,801.68/439,623.34
  6. Step 6: Final answer
    x = 320,912.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.