Home / 905,758.12-1,250,233.14-619,173.64

Finding the Fourth Proportional to 905,758.12, 1,250,233.14 and 619,173.64

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Solution

The fourth proportional to 905,758.12, 1,250,233.14 and 619,173.64 is: 854,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,758.12 : 1,250,233.14 = 619,173.64 : x
  2. Step 2: Convert to fraction form
    905,758.12/1,250,233.14 = 619,173.64/x
  3. Step 3: Cross multiply
    905,758.12x = 1,250,233.14 × 619,173.64
  4. Step 4: Simplify right side
    905,758.12x = 774,111,404,142.43
  5. Step 5: Solve for x
    x = 774,111,404,142.43/905,758.12
  6. Step 6: Final answer
    x = 854,655.77

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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.