Home / 1,293,561.44-1,772,187.78-1,245,077.76

Finding the Fourth Proportional to 1,293,561.44, 1,772,187.78 and 1,245,077.76

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Solution

The fourth proportional to 1,293,561.44, 1,772,187.78 and 1,245,077.76 is: 1,705,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,561.44 : 1,772,187.78 = 1,245,077.76 : x
  2. Step 2: Convert to fraction form
    1,293,561.44/1,772,187.78 = 1,245,077.76/x
  3. Step 3: Cross multiply
    1,293,561.44x = 1,772,187.78 × 1,245,077.76
  4. Step 4: Simplify right side
    1,293,561.44x = 2,206,511,591,421.77
  5. Step 5: Solve for x
    x = 2,206,511,591,421.77/1,293,561.44
  6. Step 6: Final answer
    x = 1,705,764.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.