Home / 547,040.23-820,926.78-192,055.30

Finding the Fourth Proportional to 547,040.23, 820,926.78 and 192,055.30

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Solution

The fourth proportional to 547,040.23, 820,926.78 and 192,055.30 is: 288,211.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,040.23 : 820,926.78 = 192,055.30 : x
  2. Step 2: Convert to fraction form
    547,040.23/820,926.78 = 192,055.30/x
  3. Step 3: Cross multiply
    547,040.23x = 820,926.78 × 192,055.30
  4. Step 4: Simplify right side
    547,040.23x = 157,663,339,010.93
  5. Step 5: Solve for x
    x = 157,663,339,010.93/547,040.23
  6. Step 6: Final answer
    x = 288,211.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.