Home / 1,352,999.77-1,865,851.68-809,049.13

Finding the Fourth Proportional to 1,352,999.77, 1,865,851.68 and 809,049.13

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Solution

The fourth proportional to 1,352,999.77, 1,865,851.68 and 809,049.13 is: 1,115,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,999.77 : 1,865,851.68 = 809,049.13 : x
  2. Step 2: Convert to fraction form
    1,352,999.77/1,865,851.68 = 809,049.13/x
  3. Step 3: Cross multiply
    1,352,999.77x = 1,865,851.68 × 809,049.13
  4. Step 4: Simplify right side
    1,352,999.77x = 1,509,565,678,413.04
  5. Step 5: Solve for x
    x = 1,509,565,678,413.04/1,352,999.77
  6. Step 6: Final answer
    x = 1,115,717.62

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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.