Home / 409,744.36-614,615.19-190,632.34

Finding the Fourth Proportional to 409,744.36, 614,615.19 and 190,632.34

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Solution

The fourth proportional to 409,744.36, 614,615.19 and 190,632.34 is: 285,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,744.36 : 614,615.19 = 190,632.34 : x
  2. Step 2: Convert to fraction form
    409,744.36/614,615.19 = 190,632.34/x
  3. Step 3: Cross multiply
    409,744.36x = 614,615.19 × 190,632.34
  4. Step 4: Simplify right side
    409,744.36x = 117,165,531,869.25
  5. Step 5: Solve for x
    x = 117,165,531,869.25/409,744.36
  6. Step 6: Final answer
    x = 285,947.88

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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.