Home / 889,728.03-1,227,825.81-481,830.53

Finding the Fourth Proportional to 889,728.03, 1,227,825.81 and 481,830.53

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Solution

The fourth proportional to 889,728.03, 1,227,825.81 and 481,830.53 is: 664,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,728.03 : 1,227,825.81 = 481,830.53 : x
  2. Step 2: Convert to fraction form
    889,728.03/1,227,825.81 = 481,830.53/x
  3. Step 3: Cross multiply
    889,728.03x = 1,227,825.81 × 481,830.53
  4. Step 4: Simplify right side
    889,728.03x = 591,603,954,640.85
  5. Step 5: Solve for x
    x = 591,603,954,640.85/889,728.03
  6. Step 6: Final answer
    x = 664,926.74

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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.