Home / 1,279,192.59-1,765,288.40-706,233.87

Finding the Fourth Proportional to 1,279,192.59, 1,765,288.40 and 706,233.87

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Solution

The fourth proportional to 1,279,192.59, 1,765,288.40 and 706,233.87 is: 974,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,192.59 : 1,765,288.40 = 706,233.87 : x
  2. Step 2: Convert to fraction form
    1,279,192.59/1,765,288.40 = 706,233.87/x
  3. Step 3: Cross multiply
    1,279,192.59x = 1,765,288.40 × 706,233.87
  4. Step 4: Simplify right side
    1,279,192.59x = 1,246,706,454,866.94
  5. Step 5: Solve for x
    x = 1,246,706,454,866.94/1,279,192.59
  6. Step 6: Final answer
    x = 974,604.19

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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.