Home / 823,917.02-1,235,096.10-621,198.32

Finding the Fourth Proportional to 823,917.02, 1,235,096.10 and 621,198.32

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Solution

The fourth proportional to 823,917.02, 1,235,096.10 and 621,198.32 is: 931,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,917.02 : 1,235,096.10 = 621,198.32 : x
  2. Step 2: Convert to fraction form
    823,917.02/1,235,096.10 = 621,198.32/x
  3. Step 3: Cross multiply
    823,917.02x = 1,235,096.10 × 621,198.32
  4. Step 4: Simplify right side
    823,917.02x = 767,239,616,183.07
  5. Step 5: Solve for x
    x = 767,239,616,183.07/823,917.02
  6. Step 6: Final answer
    x = 931,209.82

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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.