Home / 414,606.80-621,913.68-115,110.74

Finding the Fourth Proportional to 414,606.80, 621,913.68 and 115,110.74

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Solution

The fourth proportional to 414,606.80, 621,913.68 and 115,110.74 is: 172,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,606.80 : 621,913.68 = 115,110.74 : x
  2. Step 2: Convert to fraction form
    414,606.80/621,913.68 = 115,110.74/x
  3. Step 3: Cross multiply
    414,606.80x = 621,913.68 × 115,110.74
  4. Step 4: Simplify right side
    414,606.80x = 71,588,940,811.35
  5. Step 5: Solve for x
    x = 71,588,940,811.35/414,606.80
  6. Step 6: Final answer
    x = 172,667.07

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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.