Home / 1,256,953.82-1,734,635.39-713,112.53

Finding the Fourth Proportional to 1,256,953.82, 1,734,635.39 and 713,112.53

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Solution

The fourth proportional to 1,256,953.82, 1,734,635.39 and 713,112.53 is: 984,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,953.82 : 1,734,635.39 = 713,112.53 : x
  2. Step 2: Convert to fraction form
    1,256,953.82/1,734,635.39 = 713,112.53/x
  3. Step 3: Cross multiply
    1,256,953.82x = 1,734,635.39 × 713,112.53
  4. Step 4: Simplify right side
    1,256,953.82x = 1,236,990,219,351.70
  5. Step 5: Solve for x
    x = 1,236,990,219,351.70/1,256,953.82
  6. Step 6: Final answer
    x = 984,117.48

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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.