Home / 374,588.44-516,836.10-221,619.40

Finding the Fourth Proportional to 374,588.44, 516,836.10 and 221,619.40

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Solution

The fourth proportional to 374,588.44, 516,836.10 and 221,619.40 is: 305,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,588.44 : 516,836.10 = 221,619.40 : x
  2. Step 2: Convert to fraction form
    374,588.44/516,836.10 = 221,619.40/x
  3. Step 3: Cross multiply
    374,588.44x = 516,836.10 × 221,619.40
  4. Step 4: Simplify right side
    374,588.44x = 114,540,906,380.34
  5. Step 5: Solve for x
    x = 114,540,906,380.34/374,588.44
  6. Step 6: Final answer
    x = 305,778.01

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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.