Home / 1,247,992.32-1,722,081.28-704,096.36

Finding the Fourth Proportional to 1,247,992.32, 1,722,081.28 and 704,096.36

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Solution

The fourth proportional to 1,247,992.32, 1,722,081.28 and 704,096.36 is: 971,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,992.32 : 1,722,081.28 = 704,096.36 : x
  2. Step 2: Convert to fraction form
    1,247,992.32/1,722,081.28 = 704,096.36/x
  3. Step 3: Cross multiply
    1,247,992.32x = 1,722,081.28 × 704,096.36
  4. Step 4: Simplify right side
    1,247,992.32x = 1,212,511,160,872.14
  5. Step 5: Solve for x
    x = 1,212,511,160,872.14/1,247,992.32
  6. Step 6: Final answer
    x = 971,569.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.