Home / 505,081.37-757,399.07-189,316.85

Finding the Fourth Proportional to 505,081.37, 757,399.07 and 189,316.85

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Solution

The fourth proportional to 505,081.37, 757,399.07 and 189,316.85 is: 283,891.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,081.37 : 757,399.07 = 189,316.85 : x
  2. Step 2: Convert to fraction form
    505,081.37/757,399.07 = 189,316.85/x
  3. Step 3: Cross multiply
    505,081.37x = 757,399.07 × 189,316.85
  4. Step 4: Simplify right side
    505,081.37x = 143,388,402,811.63
  5. Step 5: Solve for x
    x = 143,388,402,811.63/505,081.37
  6. Step 6: Final answer
    x = 283,891.69

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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.