Home / 396,460.17-547,569.09-261,099.18

Finding the Fourth Proportional to 396,460.17, 547,569.09 and 261,099.18

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Solution

The fourth proportional to 396,460.17, 547,569.09 and 261,099.18 is: 360,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,460.17 : 547,569.09 = 261,099.18 : x
  2. Step 2: Convert to fraction form
    396,460.17/547,569.09 = 261,099.18/x
  3. Step 3: Cross multiply
    396,460.17x = 547,569.09 × 261,099.18
  4. Step 4: Simplify right side
    396,460.17x = 142,969,840,392.35
  5. Step 5: Solve for x
    x = 142,969,840,392.35/396,460.17
  6. Step 6: Final answer
    x = 360,615.90

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1.5x scale

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.