Home / 889,204.44-1,227,218.94-507,143.64

Finding the Fourth Proportional to 889,204.44, 1,227,218.94 and 507,143.64

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Solution

The fourth proportional to 889,204.44, 1,227,218.94 and 507,143.64 is: 699,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,204.44 : 1,227,218.94 = 507,143.64 : x
  2. Step 2: Convert to fraction form
    889,204.44/1,227,218.94 = 507,143.64/x
  3. Step 3: Cross multiply
    889,204.44x = 1,227,218.94 × 507,143.64
  4. Step 4: Simplify right side
    889,204.44x = 622,376,280,308.54
  5. Step 5: Solve for x
    x = 622,376,280,308.54/889,204.44
  6. Step 6: Final answer
    x = 699,924.85

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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.