Home / 889,203.44-1,227,217.56-507,142.64

Finding the Fourth Proportional to 889,203.44, 1,227,217.56 and 507,142.64

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Solution

The fourth proportional to 889,203.44, 1,227,217.56 and 507,142.64 is: 699,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,203.44 : 1,227,217.56 = 507,142.64 : x
  2. Step 2: Convert to fraction form
    889,203.44/1,227,217.56 = 507,142.64/x
  3. Step 3: Cross multiply
    889,203.44x = 1,227,217.56 × 507,142.64
  4. Step 4: Simplify right side
    889,203.44x = 622,374,353,232.76
  5. Step 5: Solve for x
    x = 622,374,353,232.76/889,203.44
  6. Step 6: Final answer
    x = 699,923.47

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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.