Home / 409,864.41-565,611.75-228,576.51

Finding the Fourth Proportional to 409,864.41, 565,611.75 and 228,576.51

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Solution

The fourth proportional to 409,864.41, 565,611.75 and 228,576.51 is: 315,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,864.41 : 565,611.75 = 228,576.51 : x
  2. Step 2: Convert to fraction form
    409,864.41/565,611.75 = 228,576.51/x
  3. Step 3: Cross multiply
    409,864.41x = 565,611.75 × 228,576.51
  4. Step 4: Simplify right side
    409,864.41x = 129,285,559,829.99
  5. Step 5: Solve for x
    x = 129,285,559,829.99/409,864.41
  6. Step 6: Final answer
    x = 315,434.95

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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.