Home / 414,301.57-621,465.72-114,785.03

Finding the Fourth Proportional to 414,301.57, 621,465.72 and 114,785.03

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Solution

The fourth proportional to 414,301.57, 621,465.72 and 114,785.03 is: 172,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,301.57 : 621,465.72 = 114,785.03 : x
  2. Step 2: Convert to fraction form
    414,301.57/621,465.72 = 114,785.03/x
  3. Step 3: Cross multiply
    414,301.57x = 621,465.72 × 114,785.03
  4. Step 4: Simplify right side
    414,301.57x = 71,334,960,740.25
  5. Step 5: Solve for x
    x = 71,334,960,740.25/414,301.57
  6. Step 6: Final answer
    x = 172,181.25

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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.