Home / 409,127.36-613,783.91-124,843.28

Finding the Fourth Proportional to 409,127.36, 613,783.91 and 124,843.28

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Solution

The fourth proportional to 409,127.36, 613,783.91 and 124,843.28 is: 187,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,127.36 : 613,783.91 = 124,843.28 : x
  2. Step 2: Convert to fraction form
    409,127.36/613,783.91 = 124,843.28/x
  3. Step 3: Cross multiply
    409,127.36x = 613,783.91 × 124,843.28
  4. Step 4: Simplify right side
    409,127.36x = 76,626,793,778.81
  5. Step 5: Solve for x
    x = 76,626,793,778.81/409,127.36
  6. Step 6: Final answer
    x = 187,293.25

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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.