Home / 751,180.17-1,126,811.31-190,219.53

Finding the Fourth Proportional to 751,180.17, 1,126,811.31 and 190,219.53

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Solution

The fourth proportional to 751,180.17, 1,126,811.31 and 190,219.53 is: 285,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,180.17 : 1,126,811.31 = 190,219.53 : x
  2. Step 2: Convert to fraction form
    751,180.17/1,126,811.31 = 190,219.53/x
  3. Step 3: Cross multiply
    751,180.17x = 1,126,811.31 × 190,219.53
  4. Step 4: Simplify right side
    751,180.17x = 214,341,517,786.88
  5. Step 5: Solve for x
    x = 214,341,517,786.88/751,180.17
  6. Step 6: Final answer
    x = 285,339.69

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Double scale
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1.5x scale

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.