Home / 1,377,174.45-1,900,546.89-765,353.00

Finding the Fourth Proportional to 1,377,174.45, 1,900,546.89 and 765,353.00

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Solution

The fourth proportional to 1,377,174.45, 1,900,546.89 and 765,353.00 is: 1,056,212.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,174.45 : 1,900,546.89 = 765,353.00 : x
  2. Step 2: Convert to fraction form
    1,377,174.45/1,900,546.89 = 765,353.00/x
  3. Step 3: Cross multiply
    1,377,174.45x = 1,900,546.89 × 765,353.00
  4. Step 4: Simplify right side
    1,377,174.45x = 1,454,589,254,399.44
  5. Step 5: Solve for x
    x = 1,454,589,254,399.44/1,377,174.45
  6. Step 6: Final answer
    x = 1,056,212.78

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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.