Home / 773,151.75-1,067,415.98-505,346.31

Finding the Fourth Proportional to 773,151.75, 1,067,415.98 and 505,346.31

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Solution

The fourth proportional to 773,151.75, 1,067,415.98 and 505,346.31 is: 697,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,151.75 : 1,067,415.98 = 505,346.31 : x
  2. Step 2: Convert to fraction form
    773,151.75/1,067,415.98 = 505,346.31/x
  3. Step 3: Cross multiply
    773,151.75x = 1,067,415.98 × 505,346.31
  4. Step 4: Simplify right side
    773,151.75x = 539,414,724,201.30
  5. Step 5: Solve for x
    x = 539,414,724,201.30/773,151.75
  6. Step 6: Final answer
    x = 697,682.86

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1.5x scale

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.