Home / 551,711.25-822,738.87-546,666.47

Finding the Fourth Proportional to 551,711.25, 822,738.87 and 546,666.47

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Solution

The fourth proportional to 551,711.25, 822,738.87 and 546,666.47 is: 815,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,711.25 : 822,738.87 = 546,666.47 : x
  2. Step 2: Convert to fraction form
    551,711.25/822,738.87 = 546,666.47/x
  3. Step 3: Cross multiply
    551,711.25x = 822,738.87 × 546,666.47
  4. Step 4: Simplify right side
    551,711.25x = 449,763,752,766.27
  5. Step 5: Solve for x
    x = 449,763,752,766.27/551,711.25
  6. Step 6: Final answer
    x = 815,215.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.