Home / 813,160.62-1,122,186.25-450,550.55

Finding the Fourth Proportional to 813,160.62, 1,122,186.25 and 450,550.55

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Solution

The fourth proportional to 813,160.62, 1,122,186.25 and 450,550.55 is: 621,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,160.62 : 1,122,186.25 = 450,550.55 : x
  2. Step 2: Convert to fraction form
    813,160.62/1,122,186.25 = 450,550.55/x
  3. Step 3: Cross multiply
    813,160.62x = 1,122,186.25 × 450,550.55
  4. Step 4: Simplify right side
    813,160.62x = 505,601,635,508.59
  5. Step 5: Solve for x
    x = 505,601,635,508.59/813,160.62
  6. Step 6: Final answer
    x = 621,773.39

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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.