Home / 446,649.04-669,596.75-193,739.12

Finding the Fourth Proportional to 446,649.04, 669,596.75 and 193,739.12

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Solution

The fourth proportional to 446,649.04, 669,596.75 and 193,739.12 is: 290,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,649.04 : 669,596.75 = 193,739.12 : x
  2. Step 2: Convert to fraction form
    446,649.04/669,596.75 = 193,739.12/x
  3. Step 3: Cross multiply
    446,649.04x = 669,596.75 × 193,739.12
  4. Step 4: Simplify right side
    446,649.04x = 129,727,085,099.86
  5. Step 5: Solve for x
    x = 129,727,085,099.86/446,649.04
  6. Step 6: Final answer
    x = 290,445.23

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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.