Home / 698,418.24-1,047,627.30-199,782.24

Finding the Fourth Proportional to 698,418.24, 1,047,627.30 and 199,782.24

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Solution

The fourth proportional to 698,418.24, 1,047,627.30 and 199,782.24 is: 299,673.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,418.24 : 1,047,627.30 = 199,782.24 : x
  2. Step 2: Convert to fraction form
    698,418.24/1,047,627.30 = 199,782.24/x
  3. Step 3: Cross multiply
    698,418.24x = 1,047,627.30 × 199,782.24
  4. Step 4: Simplify right side
    698,418.24x = 209,297,328,679.15
  5. Step 5: Solve for x
    x = 209,297,328,679.15/698,418.24
  6. Step 6: Final answer
    x = 299,673.34

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.