Home / 456,583.20-685,490.40-267,237.60

Finding the Fourth Proportional to 456,583.20, 685,490.40 and 267,237.60

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Solution

The fourth proportional to 456,583.20, 685,490.40 and 267,237.60 is: 401,216.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,583.20 : 685,490.40 = 267,237.60 : x
  2. Step 2: Convert to fraction form
    456,583.20/685,490.40 = 267,237.60/x
  3. Step 3: Cross multiply
    456,583.20x = 685,490.40 × 267,237.60
  4. Step 4: Simplify right side
    456,583.20x = 183,188,809,319.04
  5. Step 5: Solve for x
    x = 183,188,809,319.04/456,583.20
  6. Step 6: Final answer
    x = 401,216.71

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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.