Home / 619,164.56-854,084.43-389,358.24

Finding the Fourth Proportional to 619,164.56, 854,084.43 and 389,358.24

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Solution

The fourth proportional to 619,164.56, 854,084.43 and 389,358.24 is: 537,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,164.56 : 854,084.43 = 389,358.24 : x
  2. Step 2: Convert to fraction form
    619,164.56/854,084.43 = 389,358.24/x
  3. Step 3: Cross multiply
    619,164.56x = 854,084.43 × 389,358.24
  4. Step 4: Simplify right side
    619,164.56x = 332,544,810,476.20
  5. Step 5: Solve for x
    x = 332,544,810,476.20/619,164.56
  6. Step 6: Final answer
    x = 537,086.32

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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.