Home / 396,208.64-546,161.24-242,962.65

Finding the Fourth Proportional to 396,208.64, 546,161.24 and 242,962.65

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Solution

The fourth proportional to 396,208.64, 546,161.24 and 242,962.65 is: 334,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,208.64 : 546,161.24 = 242,962.65 : x
  2. Step 2: Convert to fraction form
    396,208.64/546,161.24 = 242,962.65/x
  3. Step 3: Cross multiply
    396,208.64x = 546,161.24 × 242,962.65
  4. Step 4: Simplify right side
    396,208.64x = 132,696,780,982.87
  5. Step 5: Solve for x
    x = 132,696,780,982.87/396,208.64
  6. Step 6: Final answer
    x = 334,916.43

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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.