Home / 766,743.62-1,058,110.53-444,644.96

Finding the Fourth Proportional to 766,743.62, 1,058,110.53 and 444,644.96

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Solution

The fourth proportional to 766,743.62, 1,058,110.53 and 444,644.96 is: 613,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,743.62 : 1,058,110.53 = 444,644.96 : x
  2. Step 2: Convert to fraction form
    766,743.62/1,058,110.53 = 444,644.96/x
  3. Step 3: Cross multiply
    766,743.62x = 1,058,110.53 × 444,644.96
  4. Step 4: Simplify right side
    766,743.62x = 470,483,514,287.43
  5. Step 5: Solve for x
    x = 470,483,514,287.43/766,743.62
  6. Step 6: Final answer
    x = 613,612.56

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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.