Home / 727,873.45-1,091,615.78-222,433.45

Finding the Fourth Proportional to 727,873.45, 1,091,615.78 and 222,433.45

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Solution

The fourth proportional to 727,873.45, 1,091,615.78 and 222,433.45 is: 333,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,873.45 : 1,091,615.78 = 222,433.45 : x
  2. Step 2: Convert to fraction form
    727,873.45/1,091,615.78 = 222,433.45/x
  3. Step 3: Cross multiply
    727,873.45x = 1,091,615.78 × 222,433.45
  4. Step 4: Simplify right side
    727,873.45x = 242,811,862,907.67
  5. Step 5: Solve for x
    x = 242,811,862,907.67/727,873.45
  6. Step 6: Final answer
    x = 333,590.77

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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.