Home / 919,917.06-1,269,327.51-845,505.96

Finding the Fourth Proportional to 919,917.06, 1,269,327.51 and 845,505.96

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Solution

The fourth proportional to 919,917.06, 1,269,327.51 and 845,505.96 is: 1,166,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,917.06 : 1,269,327.51 = 845,505.96 : x
  2. Step 2: Convert to fraction form
    919,917.06/1,269,327.51 = 845,505.96/x
  3. Step 3: Cross multiply
    919,917.06x = 1,269,327.51 × 845,505.96
  4. Step 4: Simplify right side
    919,917.06x = 1,073,223,974,896.96
  5. Step 5: Solve for x
    x = 1,073,223,974,896.96/919,917.06
  6. Step 6: Final answer
    x = 1,166,652.98

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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.