Home / 1,235,260.97-1,705,724.01-777,139.15

Finding the Fourth Proportional to 1,235,260.97, 1,705,724.01 and 777,139.15

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Solution

The fourth proportional to 1,235,260.97, 1,705,724.01 and 777,139.15 is: 1,073,121.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,260.97 : 1,705,724.01 = 777,139.15 : x
  2. Step 2: Convert to fraction form
    1,235,260.97/1,705,724.01 = 777,139.15/x
  3. Step 3: Cross multiply
    1,235,260.97x = 1,705,724.01 × 777,139.15
  4. Step 4: Simplify right side
    1,235,260.97x = 1,325,584,907,265.99
  5. Step 5: Solve for x
    x = 1,325,584,907,265.99/1,235,260.97
  6. Step 6: Final answer
    x = 1,073,121.34

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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.