Home / 499,669.56-689,544.90-273,315.06

Finding the Fourth Proportional to 499,669.56, 689,544.90 and 273,315.06

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Solution

The fourth proportional to 499,669.56, 689,544.90 and 273,315.06 is: 377,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,669.56 : 689,544.90 = 273,315.06 : x
  2. Step 2: Convert to fraction form
    499,669.56/689,544.90 = 273,315.06/x
  3. Step 3: Cross multiply
    499,669.56x = 689,544.90 × 273,315.06
  4. Step 4: Simplify right side
    499,669.56x = 188,463,005,716.19
  5. Step 5: Solve for x
    x = 188,463,005,716.19/499,669.56
  6. Step 6: Final answer
    x = 377,175.28

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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.