Home / 988,183.38-1,363,192.26-624,995.58

Finding the Fourth Proportional to 988,183.38, 1,363,192.26 and 624,995.58

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Solution

The fourth proportional to 988,183.38, 1,363,192.26 and 624,995.58 is: 862,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,183.38 : 1,363,192.26 = 624,995.58 : x
  2. Step 2: Convert to fraction form
    988,183.38/1,363,192.26 = 624,995.58/x
  3. Step 3: Cross multiply
    988,183.38x = 1,363,192.26 × 624,995.58
  4. Step 4: Simplify right side
    988,183.38x = 851,989,137,190.21
  5. Step 5: Solve for x
    x = 851,989,137,190.21/988,183.38
  6. Step 6: Final answer
    x = 862,177.16

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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.