Home / 1,211,939.26-1,672,401.06-668,046.94

Finding the Fourth Proportional to 1,211,939.26, 1,672,401.06 and 668,046.94

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Solution

The fourth proportional to 1,211,939.26, 1,672,401.06 and 668,046.94 is: 921,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,939.26 : 1,672,401.06 = 668,046.94 : x
  2. Step 2: Convert to fraction form
    1,211,939.26/1,672,401.06 = 668,046.94/x
  3. Step 3: Cross multiply
    1,211,939.26x = 1,672,401.06 × 668,046.94
  4. Step 4: Simplify right side
    1,211,939.26x = 1,117,242,410,585.76
  5. Step 5: Solve for x
    x = 1,117,242,410,585.76/1,211,939.26
  6. Step 6: Final answer
    x = 921,863.37

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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.