Home / 621,919.32-933,076.22-222,551.25

Finding the Fourth Proportional to 621,919.32, 933,076.22 and 222,551.25

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Solution

The fourth proportional to 621,919.32, 933,076.22 and 222,551.25 is: 333,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,919.32 : 933,076.22 = 222,551.25 : x
  2. Step 2: Convert to fraction form
    621,919.32/933,076.22 = 222,551.25/x
  3. Step 3: Cross multiply
    621,919.32x = 933,076.22 × 222,551.25
  4. Step 4: Simplify right side
    621,919.32x = 207,657,277,993.52
  5. Step 5: Solve for x
    x = 207,657,277,993.52/621,919.32
  6. Step 6: Final answer
    x = 333,897.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.