Home / 751,711.74-1,037,372.31-412,179.18

Finding the Fourth Proportional to 751,711.74, 1,037,372.31 and 412,179.18

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Solution

The fourth proportional to 751,711.74, 1,037,372.31 and 412,179.18 is: 568,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,711.74 : 1,037,372.31 = 412,179.18 : x
  2. Step 2: Convert to fraction form
    751,711.74/1,037,372.31 = 412,179.18/x
  3. Step 3: Cross multiply
    751,711.74x = 1,037,372.31 × 412,179.18
  4. Step 4: Simplify right side
    751,711.74x = 427,583,268,090.51
  5. Step 5: Solve for x
    x = 427,583,268,090.51/751,711.74
  6. Step 6: Final answer
    x = 568,812.81

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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.