Home / 483,216.04-666,738.66-279,193.96

Finding the Fourth Proportional to 483,216.04, 666,738.66 and 279,193.96

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Solution

The fourth proportional to 483,216.04, 666,738.66 and 279,193.96 is: 385,230.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,216.04 : 666,738.66 = 279,193.96 : x
  2. Step 2: Convert to fraction form
    483,216.04/666,738.66 = 279,193.96/x
  3. Step 3: Cross multiply
    483,216.04x = 666,738.66 × 279,193.96
  4. Step 4: Simplify right side
    483,216.04x = 186,149,406,770.49
  5. Step 5: Solve for x
    x = 186,149,406,770.49/483,216.04
  6. Step 6: Final answer
    x = 385,230.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.