Home / 813,668.48-1,122,829.44-451,097.60

Finding the Fourth Proportional to 813,668.48, 1,122,829.44 and 451,097.60

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Solution

The fourth proportional to 813,668.48, 1,122,829.44 and 451,097.60 is: 622,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,668.48 : 1,122,829.44 = 451,097.60 : x
  2. Step 2: Convert to fraction form
    813,668.48/1,122,829.44 = 451,097.60/x
  3. Step 3: Cross multiply
    813,668.48x = 1,122,829.44 × 451,097.60
  4. Step 4: Simplify right side
    813,668.48x = 506,505,665,593.34
  5. Step 5: Solve for x
    x = 506,505,665,593.34/813,668.48
  6. Step 6: Final answer
    x = 622,496.36

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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.