Home / 596,786.40-823,091.76-422,047.80

Finding the Fourth Proportional to 596,786.40, 823,091.76 and 422,047.80

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Solution

The fourth proportional to 596,786.40, 823,091.76 and 422,047.80 is: 582,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    596,786.40 : 823,091.76 = 422,047.80 : x
  2. Step 2: Convert to fraction form
    596,786.40/823,091.76 = 422,047.80/x
  3. Step 3: Cross multiply
    596,786.40x = 823,091.76 × 422,047.80
  4. Step 4: Simplify right side
    596,786.40x = 347,384,066,506.13
  5. Step 5: Solve for x
    x = 347,384,066,506.13/596,786.40
  6. Step 6: Final answer
    x = 582,091.12

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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.