Home / 1,324,147.38-1,827,174.96-780,247.77

Finding the Fourth Proportional to 1,324,147.38, 1,827,174.96 and 780,247.77

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Solution

The fourth proportional to 1,324,147.38, 1,827,174.96 and 780,247.77 is: 1,076,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,147.38 : 1,827,174.96 = 780,247.77 : x
  2. Step 2: Convert to fraction form
    1,324,147.38/1,827,174.96 = 780,247.77/x
  3. Step 3: Cross multiply
    1,324,147.38x = 1,827,174.96 × 780,247.77
  4. Step 4: Simplify right side
    1,324,147.38x = 1,425,649,187,939.84
  5. Step 5: Solve for x
    x = 1,425,649,187,939.84/1,324,147.38
  6. Step 6: Final answer
    x = 1,076,654.46

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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.