Home / 783,782.41-1,081,662.52-439,727.32

Finding the Fourth Proportional to 783,782.41, 1,081,662.52 and 439,727.32

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Solution

The fourth proportional to 783,782.41, 1,081,662.52 and 439,727.32 is: 606,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,782.41 : 1,081,662.52 = 439,727.32 : x
  2. Step 2: Convert to fraction form
    783,782.41/1,081,662.52 = 439,727.32/x
  3. Step 3: Cross multiply
    783,782.41x = 1,081,662.52 × 439,727.32
  4. Step 4: Simplify right side
    783,782.41x = 475,636,561,064.05
  5. Step 5: Solve for x
    x = 475,636,561,064.05/783,782.41
  6. Step 6: Final answer
    x = 606,847.71

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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.