Home / 619,149.45-928,787.76-214,341.03

Finding the Fourth Proportional to 619,149.45, 928,787.76 and 214,341.03

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Solution

The fourth proportional to 619,149.45, 928,787.76 and 214,341.03 is: 321,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,149.45 : 928,787.76 = 214,341.03 : x
  2. Step 2: Convert to fraction form
    619,149.45/928,787.76 = 214,341.03/x
  3. Step 3: Cross multiply
    619,149.45x = 928,787.76 × 214,341.03
  4. Step 4: Simplify right side
    619,149.45x = 199,077,325,129.79
  5. Step 5: Solve for x
    x = 199,077,325,129.79/619,149.45
  6. Step 6: Final answer
    x = 321,533.56

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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.