Home / 597,620.20-895,409.70-281,428.60

Finding the Fourth Proportional to 597,620.20, 895,409.70 and 281,428.60

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Solution

The fourth proportional to 597,620.20, 895,409.70 and 281,428.60 is: 421,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,620.20 : 895,409.70 = 281,428.60 : x
  2. Step 2: Convert to fraction form
    597,620.20/895,409.70 = 281,428.60/x
  3. Step 3: Cross multiply
    597,620.20x = 895,409.70 × 281,428.60
  4. Step 4: Simplify right side
    597,620.20x = 251,993,898,297.42
  5. Step 5: Solve for x
    x = 251,993,898,297.42/597,620.20
  6. Step 6: Final answer
    x = 421,662.28

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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.