Home / 751,693.68-1,127,706.37-219,256.38

Finding the Fourth Proportional to 751,693.68, 1,127,706.37 and 219,256.38

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Solution

The fourth proportional to 751,693.68, 1,127,706.37 and 219,256.38 is: 328,932.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,693.68 : 1,127,706.37 = 219,256.38 : x
  2. Step 2: Convert to fraction form
    751,693.68/1,127,706.37 = 219,256.38/x
  3. Step 3: Cross multiply
    751,693.68x = 1,127,706.37 × 219,256.38
  4. Step 4: Simplify right side
    751,693.68x = 247,256,815,841.00
  5. Step 5: Solve for x
    x = 247,256,815,841.00/751,693.68
  6. Step 6: Final answer
    x = 328,932.94

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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.