Home / 1,269,970.03-1,904,021.92-638,247.79

Finding the Fourth Proportional to 1,269,970.03, 1,904,021.92 and 638,247.79

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Solution

The fourth proportional to 1,269,970.03, 1,904,021.92 and 638,247.79 is: 956,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,970.03 : 1,904,021.92 = 638,247.79 : x
  2. Step 2: Convert to fraction form
    1,269,970.03/1,904,021.92 = 638,247.79/x
  3. Step 3: Cross multiply
    1,269,970.03x = 1,904,021.92 × 638,247.79
  4. Step 4: Simplify right side
    1,269,970.03x = 1,215,237,782,551.56
  5. Step 5: Solve for x
    x = 1,215,237,782,551.56/1,269,970.03
  6. Step 6: Final answer
    x = 956,902.73

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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.