Home / 722,784.92-1,084,091.27-190,347.48

Finding the Fourth Proportional to 722,784.92, 1,084,091.27 and 190,347.48

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Solution

The fourth proportional to 722,784.92, 1,084,091.27 and 190,347.48 is: 285,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,784.92 : 1,084,091.27 = 190,347.48 : x
  2. Step 2: Convert to fraction form
    722,784.92/1,084,091.27 = 190,347.48/x
  3. Step 3: Cross multiply
    722,784.92x = 1,084,091.27 × 190,347.48
  4. Step 4: Simplify right side
    722,784.92x = 206,354,040,382.76
  5. Step 5: Solve for x
    x = 206,354,040,382.76/722,784.92
  6. Step 6: Final answer
    x = 285,498.54

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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.