Home / 892,510.58-1,231,651.99-505,316.02

Finding the Fourth Proportional to 892,510.58, 1,231,651.99 and 505,316.02

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Solution

The fourth proportional to 892,510.58, 1,231,651.99 and 505,316.02 is: 697,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,510.58 : 1,231,651.99 = 505,316.02 : x
  2. Step 2: Convert to fraction form
    892,510.58/1,231,651.99 = 505,316.02/x
  3. Step 3: Cross multiply
    892,510.58x = 1,231,651.99 × 505,316.02
  4. Step 4: Simplify right side
    892,510.58x = 622,373,481,611.88
  5. Step 5: Solve for x
    x = 622,373,481,611.88/892,510.58
  6. Step 6: Final answer
    x = 697,328.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.