Home / 773,378.57-1,067,390.70-451,088.66

Finding the Fourth Proportional to 773,378.57, 1,067,390.70 and 451,088.66

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Solution

The fourth proportional to 773,378.57, 1,067,390.70 and 451,088.66 is: 622,577.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,378.57 : 1,067,390.70 = 451,088.66 : x
  2. Step 2: Convert to fraction form
    773,378.57/1,067,390.70 = 451,088.66/x
  3. Step 3: Cross multiply
    773,378.57x = 1,067,390.70 × 451,088.66
  4. Step 4: Simplify right side
    773,378.57x = 481,487,840,559.46
  5. Step 5: Solve for x
    x = 481,487,840,559.46/773,378.57
  6. Step 6: Final answer
    x = 622,577.17

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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.