Home / 902,840.76-1,245,912.37-494,935.19

Finding the Fourth Proportional to 902,840.76, 1,245,912.37 and 494,935.19

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Solution

The fourth proportional to 902,840.76, 1,245,912.37 and 494,935.19 is: 683,006.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,840.76 : 1,245,912.37 = 494,935.19 : x
  2. Step 2: Convert to fraction form
    902,840.76/1,245,912.37 = 494,935.19/x
  3. Step 3: Cross multiply
    902,840.76x = 1,245,912.37 × 494,935.19
  4. Step 4: Simplify right side
    902,840.76x = 616,645,871,358.43
  5. Step 5: Solve for x
    x = 616,645,871,358.43/902,840.76
  6. Step 6: Final answer
    x = 683,006.24

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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.