Home / 456,026.44-683,670.54-189,986.80

Finding the Fourth Proportional to 456,026.44, 683,670.54 and 189,986.80

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Solution

The fourth proportional to 456,026.44, 683,670.54 and 189,986.80 is: 284,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,026.44 : 683,670.54 = 189,986.80 : x
  2. Step 2: Convert to fraction form
    456,026.44/683,670.54 = 189,986.80/x
  3. Step 3: Cross multiply
    456,026.44x = 683,670.54 × 189,986.80
  4. Step 4: Simplify right side
    456,026.44x = 129,888,378,148.87
  5. Step 5: Solve for x
    x = 129,888,378,148.87/456,026.44
  6. Step 6: Final answer
    x = 284,826.42

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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.