Home / 823,941-1,229,733.90-770,132.52

Finding the Fourth Proportional to 823,941, 1,229,733.90 and 770,132.52

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Solution

The fourth proportional to 823,941, 1,229,733.90 and 770,132.52 is: 1,149,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,941 : 1,229,733.90 = 770,132.52 : x
  2. Step 2: Convert to fraction form
    823,941/1,229,733.90 = 770,132.52/x
  3. Step 3: Cross multiply
    823,941x = 1,229,733.90 × 770,132.52
  4. Step 4: Simplify right side
    823,941x = 947,058,067,336.43
  5. Step 5: Solve for x
    x = 947,058,067,336.43/823,941
  6. Step 6: Final answer
    x = 1,149,424.62

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1.5x scale

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.