Home / 933,286.12-1,399,955.91-259,416.75

Finding the Fourth Proportional to 933,286.12, 1,399,955.91 and 259,416.75

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Solution

The fourth proportional to 933,286.12, 1,399,955.91 and 259,416.75 is: 389,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,286.12 : 1,399,955.91 = 259,416.75 : x
  2. Step 2: Convert to fraction form
    933,286.12/1,399,955.91 = 259,416.75/x
  3. Step 3: Cross multiply
    933,286.12x = 1,399,955.91 × 259,416.75
  4. Step 4: Simplify right side
    933,286.12x = 363,172,012,315.49
  5. Step 5: Solve for x
    x = 363,172,012,315.49/933,286.12
  6. Step 6: Final answer
    x = 389,132.55

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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.