Home / 981,286.58-1,353,976.94-573,309.63

Finding the Fourth Proportional to 981,286.58, 1,353,976.94 and 573,309.63

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Solution

The fourth proportional to 981,286.58, 1,353,976.94 and 573,309.63 is: 791,051.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,286.58 : 1,353,976.94 = 573,309.63 : x
  2. Step 2: Convert to fraction form
    981,286.58/1,353,976.94 = 573,309.63/x
  3. Step 3: Cross multiply
    981,286.58x = 1,353,976.94 × 573,309.63
  4. Step 4: Simplify right side
    981,286.58x = 776,248,019,933.21
  5. Step 5: Solve for x
    x = 776,248,019,933.21/981,286.58
  6. Step 6: Final answer
    x = 791,051.29

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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.