Home / 414,487.69-621,731.34-186,516.83

Finding the Fourth Proportional to 414,487.69, 621,731.34 and 186,516.83

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Solution

The fourth proportional to 414,487.69, 621,731.34 and 186,516.83 is: 279,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,487.69 : 621,731.34 = 186,516.83 : x
  2. Step 2: Convert to fraction form
    414,487.69/621,731.34 = 186,516.83/x
  3. Step 3: Cross multiply
    414,487.69x = 621,731.34 × 186,516.83
  4. Step 4: Simplify right side
    414,487.69x = 115,963,360,202.78
  5. Step 5: Solve for x
    x = 115,963,360,202.78/414,487.69
  6. Step 6: Final answer
    x = 279,775.16

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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.