Home / 823,943-1,229,736.88-770,134.52

Finding the Fourth Proportional to 823,943, 1,229,736.88 and 770,134.52

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Solution

The fourth proportional to 823,943, 1,229,736.88 and 770,134.52 is: 1,149,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,943 : 1,229,736.88 = 770,134.52 : x
  2. Step 2: Convert to fraction form
    823,943/1,229,736.88 = 770,134.52/x
  3. Step 3: Cross multiply
    823,943x = 1,229,736.88 × 770,134.52
  4. Step 4: Simplify right side
    823,943x = 947,062,821,805.10
  5. Step 5: Solve for x
    x = 947,062,821,805.10/823,943
  6. Step 6: Final answer
    x = 1,149,427.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.