Home / 751,046.34-1,126,570.32-190,080.84

Finding the Fourth Proportional to 751,046.34, 1,126,570.32 and 190,080.84

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Solution

The fourth proportional to 751,046.34, 1,126,570.32 and 190,080.84 is: 285,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,046.34 : 1,126,570.32 = 190,080.84 : x
  2. Step 2: Convert to fraction form
    751,046.34/1,126,570.32 = 190,080.84/x
  3. Step 3: Cross multiply
    751,046.34x = 1,126,570.32 × 190,080.84
  4. Step 4: Simplify right side
    751,046.34x = 214,139,432,744.67
  5. Step 5: Solve for x
    x = 214,139,432,744.67/751,046.34
  6. Step 6: Final answer
    x = 285,121.47

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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.