Home / 981,379.54-1,354,067.30-573,249.70

Finding the Fourth Proportional to 981,379.54, 1,354,067.30 and 573,249.70

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Solution

The fourth proportional to 981,379.54, 1,354,067.30 and 573,249.70 is: 790,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,379.54 : 1,354,067.30 = 573,249.70 : x
  2. Step 2: Convert to fraction form
    981,379.54/1,354,067.30 = 573,249.70/x
  3. Step 3: Cross multiply
    981,379.54x = 1,354,067.30 × 573,249.70
  4. Step 4: Simplify right side
    981,379.54x = 776,218,673,504.81
  5. Step 5: Solve for x
    x = 776,218,673,504.81/981,379.54
  6. Step 6: Final answer
    x = 790,946.46

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Double scale
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1.5x scale

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.