Home / 1,640,342.48-2,263,245.72-960,914.48

Finding the Fourth Proportional to 1,640,342.48, 2,263,245.72 and 960,914.48

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Solution

The fourth proportional to 1,640,342.48, 2,263,245.72 and 960,914.48 is: 1,325,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,342.48 : 2,263,245.72 = 960,914.48 : x
  2. Step 2: Convert to fraction form
    1,640,342.48/2,263,245.72 = 960,914.48/x
  3. Step 3: Cross multiply
    1,640,342.48x = 2,263,245.72 × 960,914.48
  4. Step 4: Simplify right side
    1,640,342.48x = 2,174,785,584,146.03
  5. Step 5: Solve for x
    x = 2,174,785,584,146.03/1,640,342.48
  6. Step 6: Final answer
    x = 1,325,811.90

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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.