Home / 592,512.72-816,816.96-422,451.60

Finding the Fourth Proportional to 592,512.72, 816,816.96 and 422,451.60

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Solution

The fourth proportional to 592,512.72, 816,816.96 and 422,451.60 is: 582,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,512.72 : 816,816.96 = 422,451.60 : x
  2. Step 2: Convert to fraction form
    592,512.72/816,816.96 = 422,451.60/x
  3. Step 3: Cross multiply
    592,512.72x = 816,816.96 × 422,451.60
  4. Step 4: Simplify right side
    592,512.72x = 345,065,631,659.14
  5. Step 5: Solve for x
    x = 345,065,631,659.14/592,512.72
  6. Step 6: Final answer
    x = 582,376.75

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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.