Home / 723,239.82-1,084,735.80-190,766.07

Finding the Fourth Proportional to 723,239.82, 1,084,735.80 and 190,766.07

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Solution

The fourth proportional to 723,239.82, 1,084,735.80 and 190,766.07 is: 286,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,239.82 : 1,084,735.80 = 190,766.07 : x
  2. Step 2: Convert to fraction form
    723,239.82/1,084,735.80 = 190,766.07/x
  3. Step 3: Cross multiply
    723,239.82x = 1,084,735.80 × 190,766.07
  4. Step 4: Simplify right side
    723,239.82x = 206,930,785,554.31
  5. Step 5: Solve for x
    x = 206,930,785,554.31/723,239.82
  6. Step 6: Final answer
    x = 286,116.42

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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.