Home / 662,934.40-994,401.60-189,635.20

Finding the Fourth Proportional to 662,934.40, 994,401.60 and 189,635.20

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Solution

The fourth proportional to 662,934.40, 994,401.60 and 189,635.20 is: 284,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,934.40 : 994,401.60 = 189,635.20 : x
  2. Step 2: Convert to fraction form
    662,934.40/994,401.60 = 189,635.20/x
  3. Step 3: Cross multiply
    662,934.40x = 994,401.60 × 189,635.20
  4. Step 4: Simplify right side
    662,934.40x = 188,573,546,296.32
  5. Step 5: Solve for x
    x = 188,573,546,296.32/662,934.40
  6. Step 6: Final answer
    x = 284,452.80

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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.