Home / 813,338.56-1,122,410.08-450,768.48

Finding the Fourth Proportional to 813,338.56, 1,122,410.08 and 450,768.48

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Solution

The fourth proportional to 813,338.56, 1,122,410.08 and 450,768.48 is: 622,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,338.56 : 1,122,410.08 = 450,768.48 : x
  2. Step 2: Convert to fraction form
    813,338.56/1,122,410.08 = 450,768.48/x
  3. Step 3: Cross multiply
    813,338.56x = 1,122,410.08 × 450,768.48
  4. Step 4: Simplify right side
    813,338.56x = 505,947,085,698.28
  5. Step 5: Solve for x
    x = 505,947,085,698.28/813,338.56
  6. Step 6: Final answer
    x = 622,062.09

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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.