Home / 958,381.40-1,322,991.42-619,015.16

Finding the Fourth Proportional to 958,381.40, 1,322,991.42 and 619,015.16

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Solution

The fourth proportional to 958,381.40, 1,322,991.42 and 619,015.16 is: 854,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,381.40 : 1,322,991.42 = 619,015.16 : x
  2. Step 2: Convert to fraction form
    958,381.40/1,322,991.42 = 619,015.16/x
  3. Step 3: Cross multiply
    958,381.40x = 1,322,991.42 × 619,015.16
  4. Step 4: Simplify right side
    958,381.40x = 818,951,745,529.93
  5. Step 5: Solve for x
    x = 818,951,745,529.93/958,381.40
  6. Step 6: Final answer
    x = 854,515.48

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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.