Home / 776,180.88-1,070,842.31-774,983.84

Finding the Fourth Proportional to 776,180.88, 1,070,842.31 and 774,983.84

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Solution

The fourth proportional to 776,180.88, 1,070,842.31 and 774,983.84 is: 1,069,190.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,180.88 : 1,070,842.31 = 774,983.84 : x
  2. Step 2: Convert to fraction form
    776,180.88/1,070,842.31 = 774,983.84/x
  3. Step 3: Cross multiply
    776,180.88x = 1,070,842.31 × 774,983.84
  4. Step 4: Simplify right side
    776,180.88x = 829,885,479,115.33
  5. Step 5: Solve for x
    x = 829,885,479,115.33/776,180.88
  6. Step 6: Final answer
    x = 1,069,190.83

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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.