Home / 1,116,700.36-1,541,183.30-657,791.21

Finding the Fourth Proportional to 1,116,700.36, 1,541,183.30 and 657,791.21

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Solution

The fourth proportional to 1,116,700.36, 1,541,183.30 and 657,791.21 is: 907,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,700.36 : 1,541,183.30 = 657,791.21 : x
  2. Step 2: Convert to fraction form
    1,116,700.36/1,541,183.30 = 657,791.21/x
  3. Step 3: Cross multiply
    1,116,700.36x = 1,541,183.30 × 657,791.21
  4. Step 4: Simplify right side
    1,116,700.36x = 1,013,776,834,469.59
  5. Step 5: Solve for x
    x = 1,013,776,834,469.59/1,116,700.36
  6. Step 6: Final answer
    x = 907,832.46

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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.