Home / 1,409,198.36-1,945,198.05-836,238.38

Finding the Fourth Proportional to 1,409,198.36, 1,945,198.05 and 836,238.38

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Solution

The fourth proportional to 1,409,198.36, 1,945,198.05 and 836,238.38 is: 1,154,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,198.36 : 1,945,198.05 = 836,238.38 : x
  2. Step 2: Convert to fraction form
    1,409,198.36/1,945,198.05 = 836,238.38/x
  3. Step 3: Cross multiply
    1,409,198.36x = 1,945,198.05 × 836,238.38
  4. Step 4: Simplify right side
    1,409,198.36x = 1,626,649,266,111.16
  5. Step 5: Solve for x
    x = 1,626,649,266,111.16/1,409,198.36
  6. Step 6: Final answer
    x = 1,154,308.23

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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.