Home / 505,325.82-757,588.89-189,747.58

Finding the Fourth Proportional to 505,325.82, 757,588.89 and 189,747.58

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Solution

The fourth proportional to 505,325.82, 757,588.89 and 189,747.58 is: 284,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,325.82 : 757,588.89 = 189,747.58 : x
  2. Step 2: Convert to fraction form
    505,325.82/757,588.89 = 189,747.58/x
  3. Step 3: Cross multiply
    505,325.82x = 757,588.89 × 189,747.58
  4. Step 4: Simplify right side
    505,325.82x = 143,750,658,512.39
  5. Step 5: Solve for x
    x = 143,750,658,512.39/505,325.82
  6. Step 6: Final answer
    x = 284,471.23

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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.