Home / 845,296.00-1,267,191.44-305,431.86

Finding the Fourth Proportional to 845,296.00, 1,267,191.44 and 305,431.86

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Solution

The fourth proportional to 845,296.00, 1,267,191.44 and 305,431.86 is: 457,875.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,296.00 : 1,267,191.44 = 305,431.86 : x
  2. Step 2: Convert to fraction form
    845,296.00/1,267,191.44 = 305,431.86/x
  3. Step 3: Cross multiply
    845,296.00x = 1,267,191.44 × 305,431.86
  4. Step 4: Simplify right side
    845,296.00x = 387,040,640,136.10
  5. Step 5: Solve for x
    x = 387,040,640,136.10/845,296.00
  6. Step 6: Final answer
    x = 457,875.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.