Home / 455,040.63-682,561.23-188,729.64

Finding the Fourth Proportional to 455,040.63, 682,561.23 and 188,729.64

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Solution

The fourth proportional to 455,040.63, 682,561.23 and 188,729.64 is: 283,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,040.63 : 682,561.23 = 188,729.64 : x
  2. Step 2: Convert to fraction form
    455,040.63/682,561.23 = 188,729.64/x
  3. Step 3: Cross multiply
    455,040.63x = 682,561.23 × 188,729.64
  4. Step 4: Simplify right side
    455,040.63x = 128,819,535,215.86
  5. Step 5: Solve for x
    x = 128,819,535,215.86/455,040.63
  6. Step 6: Final answer
    x = 283,094.58

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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.