Home / 394,622.96-592,156.44-214,721.37

Finding the Fourth Proportional to 394,622.96, 592,156.44 and 214,721.37

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Solution

The fourth proportional to 394,622.96, 592,156.44 and 214,721.37 is: 322,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,622.96 : 592,156.44 = 214,721.37 : x
  2. Step 2: Convert to fraction form
    394,622.96/592,156.44 = 214,721.37/x
  3. Step 3: Cross multiply
    394,622.96x = 592,156.44 × 214,721.37
  4. Step 4: Simplify right side
    394,622.96x = 127,148,642,051.12
  5. Step 5: Solve for x
    x = 127,148,642,051.12/394,622.96
  6. Step 6: Final answer
    x = 322,202.85

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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.