Home / 654,174.92-902,629.09-382,190.27

Finding the Fourth Proportional to 654,174.92, 902,629.09 and 382,190.27

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Solution

The fourth proportional to 654,174.92, 902,629.09 and 382,190.27 is: 527,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,174.92 : 902,629.09 = 382,190.27 : x
  2. Step 2: Convert to fraction form
    654,174.92/902,629.09 = 382,190.27/x
  3. Step 3: Cross multiply
    654,174.92x = 902,629.09 × 382,190.27
  4. Step 4: Simplify right side
    654,174.92x = 344,976,056,918.05
  5. Step 5: Solve for x
    x = 344,976,056,918.05/654,174.92
  6. Step 6: Final answer
    x = 527,345.28

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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.