Home / 770,986.55-1,064,072.77-444,236.97

Finding the Fourth Proportional to 770,986.55, 1,064,072.77 and 444,236.97

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Solution

The fourth proportional to 770,986.55, 1,064,072.77 and 444,236.97 is: 613,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,986.55 : 1,064,072.77 = 444,236.97 : x
  2. Step 2: Convert to fraction form
    770,986.55/1,064,072.77 = 444,236.97/x
  3. Step 3: Cross multiply
    770,986.55x = 1,064,072.77 × 444,236.97
  4. Step 4: Simplify right side
    770,986.55x = 472,700,458,103.44
  5. Step 5: Solve for x
    x = 472,700,458,103.44/770,986.55
  6. Step 6: Final answer
    x = 613,111.16

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1.5x scale

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.