Home / 546,823.20-820,234.80-481,869.30

Finding the Fourth Proportional to 546,823.20, 820,234.80 and 481,869.30

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Solution

The fourth proportional to 546,823.20, 820,234.80 and 481,869.30 is: 722,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,823.20 : 820,234.80 = 481,869.30 : x
  2. Step 2: Convert to fraction form
    546,823.20/820,234.80 = 481,869.30/x
  3. Step 3: Cross multiply
    546,823.20x = 820,234.80 × 481,869.30
  4. Step 4: Simplify right side
    546,823.20x = 395,245,968,911.64
  5. Step 5: Solve for x
    x = 395,245,968,911.64/546,823.20
  6. Step 6: Final answer
    x = 722,803.95

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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.