Home / 1,384,649.92-1,910,653.44-803,738.56

Finding the Fourth Proportional to 1,384,649.92, 1,910,653.44 and 803,738.56

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Solution

The fourth proportional to 1,384,649.92, 1,910,653.44 and 803,738.56 is: 1,109,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,649.92 : 1,910,653.44 = 803,738.56 : x
  2. Step 2: Convert to fraction form
    1,384,649.92/1,910,653.44 = 803,738.56/x
  3. Step 3: Cross multiply
    1,384,649.92x = 1,910,653.44 × 803,738.56
  4. Step 4: Simplify right side
    1,384,649.92x = 1,535,665,844,524.65
  5. Step 5: Solve for x
    x = 1,535,665,844,524.65/1,384,649.92
  6. Step 6: Final answer
    x = 1,109,064.34

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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.