Home / 969,979.41-1,338,571.96-562,317.57

Finding the Fourth Proportional to 969,979.41, 1,338,571.96 and 562,317.57

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Solution

The fourth proportional to 969,979.41, 1,338,571.96 and 562,317.57 is: 775,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,979.41 : 1,338,571.96 = 562,317.57 : x
  2. Step 2: Convert to fraction form
    969,979.41/1,338,571.96 = 562,317.57/x
  3. Step 3: Cross multiply
    969,979.41x = 1,338,571.96 × 562,317.57
  4. Step 4: Simplify right side
    969,979.41x = 752,702,530,411.54
  5. Step 5: Solve for x
    x = 752,702,530,411.54/969,979.41
  6. Step 6: Final answer
    x = 775,998.46

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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.