Home / 813,996.06-1,123,317.48-451,453.44

Finding the Fourth Proportional to 813,996.06, 1,123,317.48 and 451,453.44

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Solution

The fourth proportional to 813,996.06, 1,123,317.48 and 451,453.44 is: 623,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,996.06 : 1,123,317.48 = 451,453.44 : x
  2. Step 2: Convert to fraction form
    813,996.06/1,123,317.48 = 451,453.44/x
  3. Step 3: Cross multiply
    813,996.06x = 1,123,317.48 × 451,453.44
  4. Step 4: Simplify right side
    813,996.06x = 507,125,540,558.13
  5. Step 5: Solve for x
    x = 507,125,540,558.13/813,996.06
  6. Step 6: Final answer
    x = 623,007.37

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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.