Home / 417,721.72-576,456.42-226,735.06

Finding the Fourth Proportional to 417,721.72, 576,456.42 and 226,735.06

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Solution

The fourth proportional to 417,721.72, 576,456.42 and 226,735.06 is: 312,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,721.72 : 576,456.42 = 226,735.06 : x
  2. Step 2: Convert to fraction form
    417,721.72/576,456.42 = 226,735.06/x
  3. Step 3: Cross multiply
    417,721.72x = 576,456.42 × 226,735.06
  4. Step 4: Simplify right side
    417,721.72x = 130,702,880,976.09
  5. Step 5: Solve for x
    x = 130,702,880,976.09/417,721.72
  6. Step 6: Final answer
    x = 312,894.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.