Home / 861,413.88-1,292,019.06-230,376.60

Finding the Fourth Proportional to 861,413.88, 1,292,019.06 and 230,376.60

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Solution

The fourth proportional to 861,413.88, 1,292,019.06 and 230,376.60 is: 345,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,413.88 : 1,292,019.06 = 230,376.60 : x
  2. Step 2: Convert to fraction form
    861,413.88/1,292,019.06 = 230,376.60/x
  3. Step 3: Cross multiply
    861,413.88x = 1,292,019.06 × 230,376.60
  4. Step 4: Simplify right side
    861,413.88x = 297,650,958,178.00
  5. Step 5: Solve for x
    x = 297,650,958,178.00/861,413.88
  6. Step 6: Final answer
    x = 345,537.69

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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.