Home / 695,372.76-1,042,890.54-189,936.09

Finding the Fourth Proportional to 695,372.76, 1,042,890.54 and 189,936.09

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Solution

The fourth proportional to 695,372.76, 1,042,890.54 and 189,936.09 is: 284,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,372.76 : 1,042,890.54 = 189,936.09 : x
  2. Step 2: Convert to fraction form
    695,372.76/1,042,890.54 = 189,936.09/x
  3. Step 3: Cross multiply
    695,372.76x = 1,042,890.54 × 189,936.09
  4. Step 4: Simplify right side
    695,372.76x = 198,082,551,465.59
  5. Step 5: Solve for x
    x = 198,082,551,465.59/695,372.76
  6. Step 6: Final answer
    x = 284,858.08

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1.5x scale

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.