Home / 1,103,662.42-1,522,917.46-638,596.24

Finding the Fourth Proportional to 1,103,662.42, 1,522,917.46 and 638,596.24

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Solution

The fourth proportional to 1,103,662.42, 1,522,917.46 and 638,596.24 is: 881,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,662.42 : 1,522,917.46 = 638,596.24 : x
  2. Step 2: Convert to fraction form
    1,103,662.42/1,522,917.46 = 638,596.24/x
  3. Step 3: Cross multiply
    1,103,662.42x = 1,522,917.46 × 638,596.24
  4. Step 4: Simplify right side
    1,103,662.42x = 972,529,363,786.35
  5. Step 5: Solve for x
    x = 972,529,363,786.35/1,103,662.42
  6. Step 6: Final answer
    x = 881,183.73

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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.