Home / 814,344.56-1,123,796.79-451,768.40

Finding the Fourth Proportional to 814,344.56, 1,123,796.79 and 451,768.40

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Solution

The fourth proportional to 814,344.56, 1,123,796.79 and 451,768.40 is: 623,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,344.56 : 1,123,796.79 = 451,768.40 : x
  2. Step 2: Convert to fraction form
    814,344.56/1,123,796.79 = 451,768.40/x
  3. Step 3: Cross multiply
    814,344.56x = 1,123,796.79 × 451,768.40
  4. Step 4: Simplify right side
    814,344.56x = 507,695,877,743.44
  5. Step 5: Solve for x
    x = 507,695,877,743.44/814,344.56
  6. Step 6: Final answer
    x = 623,441.11

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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.