Home / 766,771.41-1,058,144.58-444,668.31

Finding the Fourth Proportional to 766,771.41, 1,058,144.58 and 444,668.31

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Solution

The fourth proportional to 766,771.41, 1,058,144.58 and 444,668.31 is: 613,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,771.41 : 1,058,144.58 = 444,668.31 : x
  2. Step 2: Convert to fraction form
    766,771.41/1,058,144.58 = 444,668.31/x
  3. Step 3: Cross multiply
    766,771.41x = 1,058,144.58 × 444,668.31
  4. Step 4: Simplify right side
    766,771.41x = 470,523,362,124.26
  5. Step 5: Solve for x
    x = 470,523,362,124.26/766,771.41
  6. Step 6: Final answer
    x = 613,642.29

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Double scale
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Similar ratio
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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.