Home / 500,268.24-690,369.32-270,825.44

Finding the Fourth Proportional to 500,268.24, 690,369.32 and 270,825.44

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Solution

The fourth proportional to 500,268.24, 690,369.32 and 270,825.44 is: 373,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,268.24 : 690,369.32 = 270,825.44 : x
  2. Step 2: Convert to fraction form
    500,268.24/690,369.32 = 270,825.44/x
  3. Step 3: Cross multiply
    500,268.24x = 690,369.32 × 270,825.44
  4. Step 4: Simplify right side
    500,268.24x = 186,969,574,851.50
  5. Step 5: Solve for x
    x = 186,969,574,851.50/500,268.24
  6. Step 6: Final answer
    x = 373,738.65

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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.