Home / 858,883.26-1,184,993.11-496,174.78

Finding the Fourth Proportional to 858,883.26, 1,184,993.11 and 496,174.78

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Solution

The fourth proportional to 858,883.26, 1,184,993.11 and 496,174.78 is: 684,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,883.26 : 1,184,993.11 = 496,174.78 : x
  2. Step 2: Convert to fraction form
    858,883.26/1,184,993.11 = 496,174.78/x
  3. Step 3: Cross multiply
    858,883.26x = 1,184,993.11 × 496,174.78
  4. Step 4: Simplify right side
    858,883.26x = 587,963,687,249.93
  5. Step 5: Solve for x
    x = 587,963,687,249.93/858,883.26
  6. Step 6: Final answer
    x = 684,567.64

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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.