Home / 425,414.16-587,072.61-231,823.35

Finding the Fourth Proportional to 425,414.16, 587,072.61 and 231,823.35

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Solution

The fourth proportional to 425,414.16, 587,072.61 and 231,823.35 is: 319,916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,414.16 : 587,072.61 = 231,823.35 : x
  2. Step 2: Convert to fraction form
    425,414.16/587,072.61 = 231,823.35/x
  3. Step 3: Cross multiply
    425,414.16x = 587,072.61 × 231,823.35
  4. Step 4: Simplify right side
    425,414.16x = 136,097,139,143.44
  5. Step 5: Solve for x
    x = 136,097,139,143.44/425,414.16
  6. Step 6: Final answer
    x = 319,916.81

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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.