Home / 400,146.03-599,552.61-281,568.21

Finding the Fourth Proportional to 400,146.03, 599,552.61 and 281,568.21

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Solution

The fourth proportional to 400,146.03, 599,552.61 and 281,568.21 is: 421,883.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,146.03 : 599,552.61 = 281,568.21 : x
  2. Step 2: Convert to fraction form
    400,146.03/599,552.61 = 281,568.21/x
  3. Step 3: Cross multiply
    400,146.03x = 599,552.61 × 281,568.21
  4. Step 4: Simplify right side
    400,146.03x = 168,814,955,198.53
  5. Step 5: Solve for x
    x = 168,814,955,198.53/400,146.03
  6. Step 6: Final answer
    x = 421,883.37

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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.