Home / 1,435,603.64-1,981,221.44-791,023.66

Finding the Fourth Proportional to 1,435,603.64, 1,981,221.44 and 791,023.66

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Solution

The fourth proportional to 1,435,603.64, 1,981,221.44 and 791,023.66 is: 1,091,661.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,603.64 : 1,981,221.44 = 791,023.66 : x
  2. Step 2: Convert to fraction form
    1,435,603.64/1,981,221.44 = 791,023.66/x
  3. Step 3: Cross multiply
    1,435,603.64x = 1,981,221.44 × 791,023.66
  4. Step 4: Simplify right side
    1,435,603.64x = 1,567,193,025,831.10
  5. Step 5: Solve for x
    x = 1,567,193,025,831.10/1,435,603.64
  6. Step 6: Final answer
    x = 1,091,661.37

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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.