Home / 727,799-1,091,864.68-222,431.90

Finding the Fourth Proportional to 727,799, 1,091,864.68 and 222,431.90

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Solution

The fourth proportional to 727,799, 1,091,864.68 and 222,431.90 is: 333,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,799 : 1,091,864.68 = 222,431.90 : x
  2. Step 2: Convert to fraction form
    727,799/1,091,864.68 = 222,431.90/x
  3. Step 3: Cross multiply
    727,799x = 1,091,864.68 × 222,431.90
  4. Step 4: Simplify right side
    727,799x = 242,865,535,315.29
  5. Step 5: Solve for x
    x = 242,865,535,315.29/727,799
  6. Step 6: Final answer
    x = 333,698.64

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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.