Home / 619,272.56-854,527.79-347,284.48

Finding the Fourth Proportional to 619,272.56, 854,527.79 and 347,284.48

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Solution

The fourth proportional to 619,272.56, 854,527.79 and 347,284.48 is: 479,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,272.56 : 854,527.79 = 347,284.48 : x
  2. Step 2: Convert to fraction form
    619,272.56/854,527.79 = 347,284.48/x
  3. Step 3: Cross multiply
    619,272.56x = 854,527.79 × 347,284.48
  4. Step 4: Simplify right side
    619,272.56x = 296,764,239,195.70
  5. Step 5: Solve for x
    x = 296,764,239,195.70/619,272.56
  6. Step 6: Final answer
    x = 479,214.26

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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.