Home / 399,037.09-598,444.89-110,782.51

Finding the Fourth Proportional to 399,037.09, 598,444.89 and 110,782.51

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Solution

The fourth proportional to 399,037.09, 598,444.89 and 110,782.51 is: 166,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,037.09 : 598,444.89 = 110,782.51 : x
  2. Step 2: Convert to fraction form
    399,037.09/598,444.89 = 110,782.51/x
  3. Step 3: Cross multiply
    399,037.09x = 598,444.89 × 110,782.51
  4. Step 4: Simplify right side
    399,037.09x = 66,297,227,010.87
  5. Step 5: Solve for x
    x = 66,297,227,010.87/399,037.09
  6. Step 6: Final answer
    x = 166,143.02

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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.