Home / 451,840.45-624,188.64-361,077.52

Finding the Fourth Proportional to 451,840.45, 624,188.64 and 361,077.52

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Solution

The fourth proportional to 451,840.45, 624,188.64 and 361,077.52 is: 498,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,840.45 : 624,188.64 = 361,077.52 : x
  2. Step 2: Convert to fraction form
    451,840.45/624,188.64 = 361,077.52/x
  3. Step 3: Cross multiply
    451,840.45x = 624,188.64 × 361,077.52
  4. Step 4: Simplify right side
    451,840.45x = 225,380,486,143.37
  5. Step 5: Solve for x
    x = 225,380,486,143.37/451,840.45
  6. Step 6: Final answer
    x = 498,805.47

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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.