Home / 1,362,206.33-1,879,854.33-781,454.80

Finding the Fourth Proportional to 1,362,206.33, 1,879,854.33 and 781,454.80

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Solution

The fourth proportional to 1,362,206.33, 1,879,854.33 and 781,454.80 is: 1,078,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,206.33 : 1,879,854.33 = 781,454.80 : x
  2. Step 2: Convert to fraction form
    1,362,206.33/1,879,854.33 = 781,454.80/x
  3. Step 3: Cross multiply
    1,362,206.33x = 1,879,854.33 × 781,454.80
  4. Step 4: Simplify right side
    1,362,206.33x = 1,469,021,176,172.74
  5. Step 5: Solve for x
    x = 1,469,021,176,172.74/1,362,206.33
  6. Step 6: Final answer
    x = 1,078,413.12

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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.