Home / 446,814.82-669,845.78-193,904.87

Finding the Fourth Proportional to 446,814.82, 669,845.78 and 193,904.87

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Solution

The fourth proportional to 446,814.82, 669,845.78 and 193,904.87 is: 290,693.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,814.82 : 669,845.78 = 193,904.87 : x
  2. Step 2: Convert to fraction form
    446,814.82/669,845.78 = 193,904.87/x
  3. Step 3: Cross multiply
    446,814.82x = 669,845.78 × 193,904.87
  4. Step 4: Simplify right side
    446,814.82x = 129,886,360,323.18
  5. Step 5: Solve for x
    x = 129,886,360,323.18/446,814.82
  6. Step 6: Final answer
    x = 290,693.94

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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.