Home / 853,577.30-1,177,960.58-471,628.82

Finding the Fourth Proportional to 853,577.30, 1,177,960.58 and 471,628.82

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Solution

The fourth proportional to 853,577.30, 1,177,960.58 and 471,628.82 is: 650,860.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,577.30 : 1,177,960.58 = 471,628.82 : x
  2. Step 2: Convert to fraction form
    853,577.30/1,177,960.58 = 471,628.82/x
  3. Step 3: Cross multiply
    853,577.30x = 1,177,960.58 × 471,628.82
  4. Step 4: Simplify right side
    853,577.30x = 555,560,150,103.97
  5. Step 5: Solve for x
    x = 555,560,150,103.97/853,577.30
  6. Step 6: Final answer
    x = 650,860.97

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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.