Home / 619,007.69-928,489.62-169,721.35

Finding the Fourth Proportional to 619,007.69, 928,489.62 and 169,721.35

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Solution

The fourth proportional to 619,007.69, 928,489.62 and 169,721.35 is: 254,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,007.69 : 928,489.62 = 169,721.35 : x
  2. Step 2: Convert to fraction form
    619,007.69/928,489.62 = 169,721.35/x
  3. Step 3: Cross multiply
    619,007.69x = 928,489.62 × 169,721.35
  4. Step 4: Simplify right side
    619,007.69x = 157,584,511,767.39
  5. Step 5: Solve for x
    x = 157,584,511,767.39/619,007.69
  6. Step 6: Final answer
    x = 254,576.02

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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.