Home / 727,505.45-1,091,258.37-222,069.29

Finding the Fourth Proportional to 727,505.45, 1,091,258.37 and 222,069.29

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Solution

The fourth proportional to 727,505.45, 1,091,258.37 and 222,069.29 is: 333,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,505.45 : 1,091,258.37 = 222,069.29 : x
  2. Step 2: Convert to fraction form
    727,505.45/1,091,258.37 = 222,069.29/x
  3. Step 3: Cross multiply
    727,505.45x = 1,091,258.37 × 222,069.29
  4. Step 4: Simplify right side
    727,505.45x = 242,334,971,432.46
  5. Step 5: Solve for x
    x = 242,334,971,432.46/727,505.45
  6. Step 6: Final answer
    x = 333,103.99

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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.