Home / 619,273.56-854,529.17-347,285.48

Finding the Fourth Proportional to 619,273.56, 854,529.17 and 347,285.48

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Solution

The fourth proportional to 619,273.56, 854,529.17 and 347,285.48 is: 479,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,273.56 : 854,529.17 = 347,285.48 : x
  2. Step 2: Convert to fraction form
    619,273.56/854,529.17 = 347,285.48/x
  3. Step 3: Cross multiply
    619,273.56x = 854,529.17 × 347,285.48
  4. Step 4: Simplify right side
    619,273.56x = 296,765,572,977.45
  5. Step 5: Solve for x
    x = 296,765,572,977.45/619,273.56
  6. Step 6: Final answer
    x = 479,215.64

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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.