Home / 414,339.69-621,507.76-114,819.41

Finding the Fourth Proportional to 414,339.69, 621,507.76 and 114,819.41

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Solution

The fourth proportional to 414,339.69, 621,507.76 and 114,819.41 is: 172,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,339.69 : 621,507.76 = 114,819.41 : x
  2. Step 2: Convert to fraction form
    414,339.69/621,507.76 = 114,819.41/x
  3. Step 3: Cross multiply
    414,339.69x = 621,507.76 × 114,819.41
  4. Step 4: Simplify right side
    414,339.69x = 71,361,151,206.08
  5. Step 5: Solve for x
    x = 71,361,151,206.08/414,339.69
  6. Step 6: Final answer
    x = 172,228.62

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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.