Home / 855,168.22-1,283,194.95-620,448.22

Finding the Fourth Proportional to 855,168.22, 1,283,194.95 and 620,448.22

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Solution

The fourth proportional to 855,168.22, 1,283,194.95 and 620,448.22 is: 930,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,168.22 : 1,283,194.95 = 620,448.22 : x
  2. Step 2: Convert to fraction form
    855,168.22/1,283,194.95 = 620,448.22/x
  3. Step 3: Cross multiply
    855,168.22x = 1,283,194.95 × 620,448.22
  4. Step 4: Simplify right side
    855,168.22x = 796,156,022,640.49
  5. Step 5: Solve for x
    x = 796,156,022,640.49/855,168.22
  6. Step 6: Final answer
    x = 930,993.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.