Home / 769,995.14-1,062,600.34-425,813.28

Finding the Fourth Proportional to 769,995.14, 1,062,600.34 and 425,813.28

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Solution

The fourth proportional to 769,995.14, 1,062,600.34 and 425,813.28 is: 587,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,995.14 : 1,062,600.34 = 425,813.28 : x
  2. Step 2: Convert to fraction form
    769,995.14/1,062,600.34 = 425,813.28/x
  3. Step 3: Cross multiply
    769,995.14x = 1,062,600.34 × 425,813.28
  4. Step 4: Simplify right side
    769,995.14x = 452,469,335,039.98
  5. Step 5: Solve for x
    x = 452,469,335,039.98/769,995.14
  6. Step 6: Final answer
    x = 587,626.23

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Double scale
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1.5x scale

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.