Home / 947,997.22-1,308,236.06-518,277.23

Finding the Fourth Proportional to 947,997.22, 1,308,236.06 and 518,277.23

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Solution

The fourth proportional to 947,997.22, 1,308,236.06 and 518,277.23 is: 715,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,997.22 : 1,308,236.06 = 518,277.23 : x
  2. Step 2: Convert to fraction form
    947,997.22/1,308,236.06 = 518,277.23/x
  3. Step 3: Cross multiply
    947,997.22x = 1,308,236.06 × 518,277.23
  4. Step 4: Simplify right side
    947,997.22x = 678,028,968,382.14
  5. Step 5: Solve for x
    x = 678,028,968,382.14/947,997.22
  6. Step 6: Final answer
    x = 715,222.53

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Double scale
Find fourth proportional to 947,998.22, 1,308,237.44 and 518,278.23
Similar ratio
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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.