Home / 1,208,413.77-1,667,577.74-664,549.55

Finding the Fourth Proportional to 1,208,413.77, 1,667,577.74 and 664,549.55

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Solution

The fourth proportional to 1,208,413.77, 1,667,577.74 and 664,549.55 is: 917,060.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,413.77 : 1,667,577.74 = 664,549.55 : x
  2. Step 2: Convert to fraction form
    1,208,413.77/1,667,577.74 = 664,549.55/x
  3. Step 3: Cross multiply
    1,208,413.77x = 1,667,577.74 × 664,549.55
  4. Step 4: Simplify right side
    1,208,413.77x = 1,108,188,036,707.02
  5. Step 5: Solve for x
    x = 1,108,188,036,707.02/1,208,413.77
  6. Step 6: Final answer
    x = 917,060.09

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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.