Home / 711,857.20-982,821.41-635,244.54

Finding the Fourth Proportional to 711,857.20, 982,821.41 and 635,244.54

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Solution

The fourth proportional to 711,857.20, 982,821.41 and 635,244.54 is: 877,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,857.20 : 982,821.41 = 635,244.54 : x
  2. Step 2: Convert to fraction form
    711,857.20/982,821.41 = 635,244.54/x
  3. Step 3: Cross multiply
    711,857.20x = 982,821.41 × 635,244.54
  4. Step 4: Simplify right side
    711,857.20x = 624,331,934,497.60
  5. Step 5: Solve for x
    x = 624,331,934,497.60/711,857.20
  6. Step 6: Final answer
    x = 877,046.60

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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.