Home / 823,055.12-1,136,204.40-619,183.86

Finding the Fourth Proportional to 823,055.12, 1,136,204.40 and 619,183.86

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Solution

The fourth proportional to 823,055.12, 1,136,204.40 and 619,183.86 is: 854,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,055.12 : 1,136,204.40 = 619,183.86 : x
  2. Step 2: Convert to fraction form
    823,055.12/1,136,204.40 = 619,183.86/x
  3. Step 3: Cross multiply
    823,055.12x = 1,136,204.40 × 619,183.86
  4. Step 4: Simplify right side
    823,055.12x = 703,519,426,140.98
  5. Step 5: Solve for x
    x = 703,519,426,140.98/823,055.12
  6. Step 6: Final answer
    x = 854,765.87

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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.