Home / 482,912.36-666,461.22-281,773.16

Finding the Fourth Proportional to 482,912.36, 666,461.22 and 281,773.16

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Solution

The fourth proportional to 482,912.36, 666,461.22 and 281,773.16 is: 388,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,912.36 : 666,461.22 = 281,773.16 : x
  2. Step 2: Convert to fraction form
    482,912.36/666,461.22 = 281,773.16/x
  3. Step 3: Cross multiply
    482,912.36x = 666,461.22 × 281,773.16
  4. Step 4: Simplify right side
    482,912.36x = 187,790,883,976.86
  5. Step 5: Solve for x
    x = 187,790,883,976.86/482,912.36
  6. Step 6: Final answer
    x = 388,871.56

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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.