Home / 751,575.51-1,037,172.60-412,043.76

Finding the Fourth Proportional to 751,575.51, 1,037,172.60 and 412,043.76

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Solution

The fourth proportional to 751,575.51, 1,037,172.60 and 412,043.76 is: 568,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,575.51 : 1,037,172.60 = 412,043.76 : x
  2. Step 2: Convert to fraction form
    751,575.51/1,037,172.60 = 412,043.76/x
  3. Step 3: Cross multiply
    751,575.51x = 1,037,172.60 × 412,043.76
  4. Step 4: Simplify right side
    751,575.51x = 427,360,497,872.98
  5. Step 5: Solve for x
    x = 427,360,497,872.98/751,575.51
  6. Step 6: Final answer
    x = 568,619.51

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1.5x scale

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.