Home / 1,206,593.36-1,665,388.81-690,646.37

Finding the Fourth Proportional to 1,206,593.36, 1,665,388.81 and 690,646.37

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Solution

The fourth proportional to 1,206,593.36, 1,665,388.81 and 690,646.37 is: 953,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,593.36 : 1,665,388.81 = 690,646.37 : x
  2. Step 2: Convert to fraction form
    1,206,593.36/1,665,388.81 = 690,646.37/x
  3. Step 3: Cross multiply
    1,206,593.36x = 1,665,388.81 × 690,646.37
  4. Step 4: Simplify right side
    1,206,593.36x = 1,150,194,738,701.98
  5. Step 5: Solve for x
    x = 1,150,194,738,701.98/1,206,593.36
  6. Step 6: Final answer
    x = 953,257.98

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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.