Home / 751,074.84-1,126,613.07-190,109.34

Finding the Fourth Proportional to 751,074.84, 1,126,613.07 and 190,109.34

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Solution

The fourth proportional to 751,074.84, 1,126,613.07 and 190,109.34 is: 285,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,074.84 : 1,126,613.07 = 190,109.34 : x
  2. Step 2: Convert to fraction form
    751,074.84/1,126,613.07 = 190,109.34/x
  3. Step 3: Cross multiply
    751,074.84x = 1,126,613.07 × 190,109.34
  4. Step 4: Simplify right side
    751,074.84x = 214,179,667,173.07
  5. Step 5: Solve for x
    x = 214,179,667,173.07/751,074.84
  6. Step 6: Final answer
    x = 285,164.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.