Home / 808,480.04-1,114,542.99-636,100.70

Finding the Fourth Proportional to 808,480.04, 1,114,542.99 and 636,100.70

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Solution

The fourth proportional to 808,480.04, 1,114,542.99 and 636,100.70 is: 876,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,480.04 : 1,114,542.99 = 636,100.70 : x
  2. Step 2: Convert to fraction form
    808,480.04/1,114,542.99 = 636,100.70/x
  3. Step 3: Cross multiply
    808,480.04x = 1,114,542.99 × 636,100.70
  4. Step 4: Simplify right side
    808,480.04x = 708,961,570,546.38
  5. Step 5: Solve for x
    x = 708,961,570,546.38/808,480.04
  6. Step 6: Final answer
    x = 876,906.71

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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.