Home / 809,413.30-1,116,991.98-446,837.65

Finding the Fourth Proportional to 809,413.30, 1,116,991.98 and 446,837.65

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Solution

The fourth proportional to 809,413.30, 1,116,991.98 and 446,837.65 is: 616,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,413.30 : 1,116,991.98 = 446,837.65 : x
  2. Step 2: Convert to fraction form
    809,413.30/1,116,991.98 = 446,837.65/x
  3. Step 3: Cross multiply
    809,413.30x = 1,116,991.98 × 446,837.65
  4. Step 4: Simplify right side
    809,413.30x = 499,114,071,412.05
  5. Step 5: Solve for x
    x = 499,114,071,412.05/809,413.30
  6. Step 6: Final answer
    x = 616,636.85

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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.