Home / 782,843.20-1,174,492.38-327,649.18

Finding the Fourth Proportional to 782,843.20, 1,174,492.38 and 327,649.18

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Solution

The fourth proportional to 782,843.20, 1,174,492.38 and 327,649.18 is: 491,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,843.20 : 1,174,492.38 = 327,649.18 : x
  2. Step 2: Convert to fraction form
    782,843.20/1,174,492.38 = 327,649.18/x
  3. Step 3: Cross multiply
    782,843.20x = 1,174,492.38 × 327,649.18
  4. Step 4: Simplify right side
    782,843.20x = 384,821,465,223.25
  5. Step 5: Solve for x
    x = 384,821,465,223.25/782,843.20
  6. Step 6: Final answer
    x = 491,569.02

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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.