Home / 751,649.44-1,127,354.14-219,045.90

Finding the Fourth Proportional to 751,649.44, 1,127,354.14 and 219,045.90

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Solution

The fourth proportional to 751,649.44, 1,127,354.14 and 219,045.90 is: 328,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,649.44 : 1,127,354.14 = 219,045.90 : x
  2. Step 2: Convert to fraction form
    751,649.44/1,127,354.14 = 219,045.90/x
  3. Step 3: Cross multiply
    751,649.44x = 1,127,354.14 × 219,045.90
  4. Step 4: Simplify right side
    751,649.44x = 246,942,302,215.03
  5. Step 5: Solve for x
    x = 246,942,302,215.03/751,649.44
  6. Step 6: Final answer
    x = 328,533.87

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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.