Home / 809,000.40-1,116,413.16-446,427.60

Finding the Fourth Proportional to 809,000.40, 1,116,413.16 and 446,427.60

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Solution

The fourth proportional to 809,000.40, 1,116,413.16 and 446,427.60 is: 616,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,000.40 : 1,116,413.16 = 446,427.60 : x
  2. Step 2: Convert to fraction form
    809,000.40/1,116,413.16 = 446,427.60/x
  3. Step 3: Cross multiply
    809,000.40x = 1,116,413.16 × 446,427.60
  4. Step 4: Simplify right side
    809,000.40x = 498,397,647,627.22
  5. Step 5: Solve for x
    x = 498,397,647,627.22/809,000.40
  6. Step 6: Final answer
    x = 616,066.01

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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.