Home / 619,177.16-854,474.10-347,305.40

Finding the Fourth Proportional to 619,177.16, 854,474.10 and 347,305.40

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Solution

The fourth proportional to 619,177.16, 854,474.10 and 347,305.40 is: 479,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,177.16 : 854,474.10 = 347,305.40 : x
  2. Step 2: Convert to fraction form
    619,177.16/854,474.10 = 347,305.40/x
  3. Step 3: Cross multiply
    619,177.16x = 854,474.10 × 347,305.40
  4. Step 4: Simplify right side
    619,177.16x = 296,763,469,090.14
  5. Step 5: Solve for x
    x = 296,763,469,090.14/619,177.16
  6. Step 6: Final answer
    x = 479,286.85

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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.