Home / 889,512.12-1,227,517.98-481,603.32

Finding the Fourth Proportional to 889,512.12, 1,227,517.98 and 481,603.32

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Solution

The fourth proportional to 889,512.12, 1,227,517.98 and 481,603.32 is: 664,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,512.12 : 1,227,517.98 = 481,603.32 : x
  2. Step 2: Convert to fraction form
    889,512.12/1,227,517.98 = 481,603.32/x
  3. Step 3: Cross multiply
    889,512.12x = 1,227,517.98 × 481,603.32
  4. Step 4: Simplify right side
    889,512.12x = 591,176,734,527.69
  5. Step 5: Solve for x
    x = 591,176,734,527.69/889,512.12
  6. Step 6: Final answer
    x = 664,607.85

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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.