Home / 889,413.41-1,227,390.98-481,515.33

Finding the Fourth Proportional to 889,413.41, 1,227,390.98 and 481,515.33

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Solution

The fourth proportional to 889,413.41, 1,227,390.98 and 481,515.33 is: 664,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,413.41 : 1,227,390.98 = 481,515.33 : x
  2. Step 2: Convert to fraction form
    889,413.41/1,227,390.98 = 481,515.33/x
  3. Step 3: Cross multiply
    889,413.41x = 1,227,390.98 × 481,515.33
  4. Step 4: Simplify right side
    889,413.41x = 591,007,574,968.86
  5. Step 5: Solve for x
    x = 591,007,574,968.86/889,413.41
  6. Step 6: Final answer
    x = 664,491.41

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Double scale
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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.