Home / 727,882.32-1,091,603.16-254,479.44

Finding the Fourth Proportional to 727,882.32, 1,091,603.16 and 254,479.44

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Solution

The fourth proportional to 727,882.32, 1,091,603.16 and 254,479.44 is: 381,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,882.32 : 1,091,603.16 = 254,479.44 : x
  2. Step 2: Convert to fraction form
    727,882.32/1,091,603.16 = 254,479.44/x
  3. Step 3: Cross multiply
    727,882.32x = 1,091,603.16 × 254,479.44
  4. Step 4: Simplify right side
    727,882.32x = 277,790,560,859.03
  5. Step 5: Solve for x
    x = 277,790,560,859.03/727,882.32
  6. Step 6: Final answer
    x = 381,642.13

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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.