Home / 680,598.56-1,020,991.24-231,198.80

Finding the Fourth Proportional to 680,598.56, 1,020,991.24 and 231,198.80

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Solution

The fourth proportional to 680,598.56, 1,020,991.24 and 231,198.80 is: 346,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,598.56 : 1,020,991.24 = 231,198.80 : x
  2. Step 2: Convert to fraction form
    680,598.56/1,020,991.24 = 231,198.80/x
  3. Step 3: Cross multiply
    680,598.56x = 1,020,991.24 × 231,198.80
  4. Step 4: Simplify right side
    680,598.56x = 236,051,949,498.51
  5. Step 5: Solve for x
    x = 236,051,949,498.51/680,598.56
  6. Step 6: Final answer
    x = 346,829.93

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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.