Home / 858,764.70-1,185,132.30-476,791.50

Finding the Fourth Proportional to 858,764.70, 1,185,132.30 and 476,791.50

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Solution

The fourth proportional to 858,764.70, 1,185,132.30 and 476,791.50 is: 657,992.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,764.70 : 1,185,132.30 = 476,791.50 : x
  2. Step 2: Convert to fraction form
    858,764.70/1,185,132.30 = 476,791.50/x
  3. Step 3: Cross multiply
    858,764.70x = 1,185,132.30 × 476,791.50
  4. Step 4: Simplify right side
    858,764.70x = 565,061,007,015.45
  5. Step 5: Solve for x
    x = 565,061,007,015.45/858,764.70
  6. Step 6: Final answer
    x = 657,992.82

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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.