Home / 1,435,983.66-1,981,657.44-791,403.84

Finding the Fourth Proportional to 1,435,983.66, 1,981,657.44 and 791,403.84

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Solution

The fourth proportional to 1,435,983.66, 1,981,657.44 and 791,403.84 is: 1,092,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,983.66 : 1,981,657.44 = 791,403.84 : x
  2. Step 2: Convert to fraction form
    1,435,983.66/1,981,657.44 = 791,403.84/x
  3. Step 3: Cross multiply
    1,435,983.66x = 1,981,657.44 × 791,403.84
  4. Step 4: Simplify right side
    1,435,983.66x = 1,568,291,307,580.57
  5. Step 5: Solve for x
    x = 1,568,291,307,580.57/1,435,983.66
  6. Step 6: Final answer
    x = 1,092,137.29

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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.