Home / 889,208.44-1,227,224.48-507,147.64

Finding the Fourth Proportional to 889,208.44, 1,227,224.48 and 507,147.64

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Solution

The fourth proportional to 889,208.44, 1,227,224.48 and 507,147.64 is: 699,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,208.44 : 1,227,224.48 = 507,147.64 : x
  2. Step 2: Convert to fraction form
    889,208.44/1,227,224.48 = 507,147.64/x
  3. Step 3: Cross multiply
    889,208.44x = 1,227,224.48 × 507,147.64
  4. Step 4: Simplify right side
    889,208.44x = 622,383,998,782.23
  5. Step 5: Solve for x
    x = 622,383,998,782.23/889,208.44
  6. Step 6: Final answer
    x = 699,930.38

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Double scale
Find fourth proportional to 889,209.44, 1,227,225.86 and 507,148.64
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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.