Home / 1,019,912.80-1,407,481.08-567,203.80

Finding the Fourth Proportional to 1,019,912.80, 1,407,481.08 and 567,203.80

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Solution

The fourth proportional to 1,019,912.80, 1,407,481.08 and 567,203.80 is: 782,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,912.80 : 1,407,481.08 = 567,203.80 : x
  2. Step 2: Convert to fraction form
    1,019,912.80/1,407,481.08 = 567,203.80/x
  3. Step 3: Cross multiply
    1,019,912.80x = 1,407,481.08 × 567,203.80
  4. Step 4: Simplify right side
    1,019,912.80x = 798,328,617,004.10
  5. Step 5: Solve for x
    x = 798,328,617,004.10/1,019,912.80
  6. Step 6: Final answer
    x = 782,742.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.