Home / 409,844.18-565,587.96-228,567.80

Finding the Fourth Proportional to 409,844.18, 565,587.96 and 228,567.80

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Solution

The fourth proportional to 409,844.18, 565,587.96 and 228,567.80 is: 315,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,844.18 : 565,587.96 = 228,567.80 : x
  2. Step 2: Convert to fraction form
    409,844.18/565,587.96 = 228,567.80/x
  3. Step 3: Cross multiply
    409,844.18x = 565,587.96 × 228,567.80
  4. Step 4: Simplify right side
    409,844.18x = 129,275,195,723.69
  5. Step 5: Solve for x
    x = 129,275,195,723.69/409,844.18
  6. Step 6: Final answer
    x = 315,425.23

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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.