Home / 751,905.15-1,037,694.73-412,439.01

Finding the Fourth Proportional to 751,905.15, 1,037,694.73 and 412,439.01

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Solution

The fourth proportional to 751,905.15, 1,037,694.73 and 412,439.01 is: 569,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,905.15 : 1,037,694.73 = 412,439.01 : x
  2. Step 2: Convert to fraction form
    751,905.15/1,037,694.73 = 412,439.01/x
  3. Step 3: Cross multiply
    751,905.15x = 1,037,694.73 × 412,439.01
  4. Step 4: Simplify right side
    751,905.15x = 427,985,786,092.32
  5. Step 5: Solve for x
    x = 427,985,786,092.32/751,905.15
  6. Step 6: Final answer
    x = 569,201.83

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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.