Home / 718,170.44-1,077,413.43-212,771.12

Finding the Fourth Proportional to 718,170.44, 1,077,413.43 and 212,771.12

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Solution

The fourth proportional to 718,170.44, 1,077,413.43 and 212,771.12 is: 319,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,170.44 : 1,077,413.43 = 212,771.12 : x
  2. Step 2: Convert to fraction form
    718,170.44/1,077,413.43 = 212,771.12/x
  3. Step 3: Cross multiply
    718,170.44x = 1,077,413.43 × 212,771.12
  4. Step 4: Simplify right side
    718,170.44x = 229,242,462,204.14
  5. Step 5: Solve for x
    x = 229,242,462,204.14/718,170.44
  6. Step 6: Final answer
    x = 319,203.42

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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.