Home / 1,231,653.74-1,699,584.21-687,757.07

Finding the Fourth Proportional to 1,231,653.74, 1,699,584.21 and 687,757.07

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Solution

The fourth proportional to 1,231,653.74, 1,699,584.21 and 687,757.07 is: 949,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,653.74 : 1,699,584.21 = 687,757.07 : x
  2. Step 2: Convert to fraction form
    1,231,653.74/1,699,584.21 = 687,757.07/x
  3. Step 3: Cross multiply
    1,231,653.74x = 1,699,584.21 × 687,757.07
  4. Step 4: Simplify right side
    1,231,653.74x = 1,168,901,060,736.83
  5. Step 5: Solve for x
    x = 1,168,901,060,736.83/1,231,653.74
  6. Step 6: Final answer
    x = 949,050.06

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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.