Home / 863,738.91-1,191,956.39-476,578.45

Finding the Fourth Proportional to 863,738.91, 1,191,956.39 and 476,578.45

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Solution

The fourth proportional to 863,738.91, 1,191,956.39 and 476,578.45 is: 657,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,738.91 : 1,191,956.39 = 476,578.45 : x
  2. Step 2: Convert to fraction form
    863,738.91/1,191,956.39 = 476,578.45/x
  3. Step 3: Cross multiply
    863,738.91x = 1,191,956.39 × 476,578.45
  4. Step 4: Simplify right side
    863,738.91x = 568,060,729,708.02
  5. Step 5: Solve for x
    x = 568,060,729,708.02/863,738.91
  6. Step 6: Final answer
    x = 657,676.44

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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.