Home / 914,861.36-1,263,138.82-699,626.54

Finding the Fourth Proportional to 914,861.36, 1,263,138.82 and 699,626.54

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Solution

The fourth proportional to 914,861.36, 1,263,138.82 and 699,626.54 is: 965,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,861.36 : 1,263,138.82 = 699,626.54 : x
  2. Step 2: Convert to fraction form
    914,861.36/1,263,138.82 = 699,626.54/x
  3. Step 3: Cross multiply
    914,861.36x = 1,263,138.82 × 699,626.54
  4. Step 4: Simplify right side
    914,861.36x = 883,725,434,111.52
  5. Step 5: Solve for x
    x = 883,725,434,111.52/914,861.36
  6. Step 6: Final answer
    x = 965,966.51

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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.