Home / 592,474.72-816,764.56-422,413.60

Finding the Fourth Proportional to 592,474.72, 816,764.56 and 422,413.60

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Solution

The fourth proportional to 592,474.72, 816,764.56 and 422,413.60 is: 582,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,474.72 : 816,764.56 = 422,413.60 : x
  2. Step 2: Convert to fraction form
    592,474.72/816,764.56 = 422,413.60/x
  3. Step 3: Cross multiply
    592,474.72x = 816,764.56 × 422,413.60
  4. Step 4: Simplify right side
    592,474.72x = 345,012,458,142.02
  5. Step 5: Solve for x
    x = 345,012,458,142.02/592,474.72
  6. Step 6: Final answer
    x = 582,324.35

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1.5x scale

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.