Home / 823,135.44-1,136,104.32-500,949.48

Finding the Fourth Proportional to 823,135.44, 1,136,104.32 and 500,949.48

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Solution

The fourth proportional to 823,135.44, 1,136,104.32 and 500,949.48 is: 691,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,135.44 : 1,136,104.32 = 500,949.48 : x
  2. Step 2: Convert to fraction form
    823,135.44/1,136,104.32 = 500,949.48/x
  3. Step 3: Cross multiply
    823,135.44x = 1,136,104.32 × 500,949.48
  4. Step 4: Simplify right side
    823,135.44x = 569,130,868,329.75
  5. Step 5: Solve for x
    x = 569,130,868,329.75/823,135.44
  6. Step 6: Final answer
    x = 691,418.25

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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.