Home / 419,345.04-628,071.22-194,232.57

Finding the Fourth Proportional to 419,345.04, 628,071.22 and 194,232.57

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Solution

The fourth proportional to 419,345.04, 628,071.22 and 194,232.57 is: 290,910.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,345.04 : 628,071.22 = 194,232.57 : x
  2. Step 2: Convert to fraction form
    419,345.04/628,071.22 = 194,232.57/x
  3. Step 3: Cross multiply
    419,345.04x = 628,071.22 × 194,232.57
  4. Step 4: Simplify right side
    419,345.04x = 121,991,887,203.64
  5. Step 5: Solve for x
    x = 121,991,887,203.64/419,345.04
  6. Step 6: Final answer
    x = 290,910.53

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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.