Home / 1,265,131.32-1,745,906.43-692,183.79

Finding the Fourth Proportional to 1,265,131.32, 1,745,906.43 and 692,183.79

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Solution

The fourth proportional to 1,265,131.32, 1,745,906.43 and 692,183.79 is: 955,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,131.32 : 1,745,906.43 = 692,183.79 : x
  2. Step 2: Convert to fraction form
    1,265,131.32/1,745,906.43 = 692,183.79/x
  3. Step 3: Cross multiply
    1,265,131.32x = 1,745,906.43 × 692,183.79
  4. Step 4: Simplify right side
    1,265,131.32x = 1,208,488,129,702.77
  5. Step 5: Solve for x
    x = 1,208,488,129,702.77/1,265,131.32
  6. Step 6: Final answer
    x = 955,227.42

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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.