Home / 806,180.00-1,202,811.38-643,315.48

Finding the Fourth Proportional to 806,180.00, 1,202,811.38 and 643,315.48

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Solution

The fourth proportional to 806,180.00, 1,202,811.38 and 643,315.48 is: 959,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,180.00 : 1,202,811.38 = 643,315.48 : x
  2. Step 2: Convert to fraction form
    806,180.00/1,202,811.38 = 643,315.48/x
  3. Step 3: Cross multiply
    806,180.00x = 1,202,811.38 × 643,315.48
  4. Step 4: Simplify right side
    806,180.00x = 773,787,174,292.14
  5. Step 5: Solve for x
    x = 773,787,174,292.14/806,180.00
  6. Step 6: Final answer
    x = 959,819.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.