Home / 809,413.04-1,116,991.64-446,837.39

Finding the Fourth Proportional to 809,413.04, 1,116,991.64 and 446,837.39

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Solution

The fourth proportional to 809,413.04, 1,116,991.64 and 446,837.39 is: 616,636.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,413.04 : 1,116,991.64 = 446,837.39 : x
  2. Step 2: Convert to fraction form
    809,413.04/1,116,991.64 = 446,837.39/x
  3. Step 3: Cross multiply
    809,413.04x = 1,116,991.64 × 446,837.39
  4. Step 4: Simplify right side
    809,413.04x = 499,113,632,978.99
  5. Step 5: Solve for x
    x = 499,113,632,978.99/809,413.04
  6. Step 6: Final answer
    x = 616,636.51

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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.