Home / 456,025.44-683,669.04-189,985.80

Finding the Fourth Proportional to 456,025.44, 683,669.04 and 189,985.80

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Solution

The fourth proportional to 456,025.44, 683,669.04 and 189,985.80 is: 284,824.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,025.44 : 683,669.04 = 189,985.80 : x
  2. Step 2: Convert to fraction form
    456,025.44/683,669.04 = 189,985.80/x
  3. Step 3: Cross multiply
    456,025.44x = 683,669.04 × 189,985.80
  4. Step 4: Simplify right side
    456,025.44x = 129,887,409,499.63
  5. Step 5: Solve for x
    x = 129,887,409,499.63/456,025.44
  6. Step 6: Final answer
    x = 284,824.92

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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.