Home / 889,413.39-1,227,392.46-481,519.53

Finding the Fourth Proportional to 889,413.39, 1,227,392.46 and 481,519.53

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Solution

The fourth proportional to 889,413.39, 1,227,392.46 and 481,519.53 is: 664,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,413.39 : 1,227,392.46 = 481,519.53 : x
  2. Step 2: Convert to fraction form
    889,413.39/1,227,392.46 = 481,519.53/x
  3. Step 3: Cross multiply
    889,413.39x = 1,227,392.46 × 481,519.53
  4. Step 4: Simplify right side
    889,413.39x = 591,013,440,464.74
  5. Step 5: Solve for x
    x = 591,013,440,464.74/889,413.39
  6. Step 6: Final answer
    x = 664,498.02

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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.