Home / 474,481.20-711,491.40-263,895.60

Finding the Fourth Proportional to 474,481.20, 711,491.40 and 263,895.60

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Solution

The fourth proportional to 474,481.20, 711,491.40 and 263,895.60 is: 395,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,481.20 : 711,491.40 = 263,895.60 : x
  2. Step 2: Convert to fraction form
    474,481.20/711,491.40 = 263,895.60/x
  3. Step 3: Cross multiply
    474,481.20x = 711,491.40 × 263,895.60
  4. Step 4: Simplify right side
    474,481.20x = 187,759,449,897.84
  5. Step 5: Solve for x
    x = 187,759,449,897.84/474,481.20
  6. Step 6: Final answer
    x = 395,715.26

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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.