Home / 1,435,392.77-1,981,128.87-823,958.87

Finding the Fourth Proportional to 1,435,392.77, 1,981,128.87 and 823,958.87

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Solution

The fourth proportional to 1,435,392.77, 1,981,128.87 and 823,958.87 is: 1,137,227.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,392.77 : 1,981,128.87 = 823,958.87 : x
  2. Step 2: Convert to fraction form
    1,435,392.77/1,981,128.87 = 823,958.87/x
  3. Step 3: Cross multiply
    1,435,392.77x = 1,981,128.87 × 823,958.87
  4. Step 4: Simplify right side
    1,435,392.77x = 1,632,368,695,143.93
  5. Step 5: Solve for x
    x = 1,632,368,695,143.93/1,435,392.77
  6. Step 6: Final answer
    x = 1,137,227.90

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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.