Home / 1,266,413.63-1,747,651.16-685,636.64

Finding the Fourth Proportional to 1,266,413.63, 1,747,651.16 and 685,636.64

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Solution

The fourth proportional to 1,266,413.63, 1,747,651.16 and 685,636.64 is: 946,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,413.63 : 1,747,651.16 = 685,636.64 : x
  2. Step 2: Convert to fraction form
    1,266,413.63/1,747,651.16 = 685,636.64/x
  3. Step 3: Cross multiply
    1,266,413.63x = 1,747,651.16 × 685,636.64
  4. Step 4: Simplify right side
    1,266,413.63x = 1,198,253,657,068.06
  5. Step 5: Solve for x
    x = 1,198,253,657,068.06/1,266,413.63
  6. Step 6: Final answer
    x = 946,178.75

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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.