Home / 1,107,427.77-1,660,846.82-397,349.37

Finding the Fourth Proportional to 1,107,427.77, 1,660,846.82 and 397,349.37

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Solution

The fourth proportional to 1,107,427.77, 1,660,846.82 and 397,349.37 is: 595,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,427.77 : 1,660,846.82 = 397,349.37 : x
  2. Step 2: Convert to fraction form
    1,107,427.77/1,660,846.82 = 397,349.37/x
  3. Step 3: Cross multiply
    1,107,427.77x = 1,660,846.82 × 397,349.37
  4. Step 4: Simplify right side
    1,107,427.77x = 659,936,435,606.76
  5. Step 5: Solve for x
    x = 659,936,435,606.76/1,107,427.77
  6. Step 6: Final answer
    x = 595,918.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.