Home / 481,226.42-721,433.70-303,341.36

Finding the Fourth Proportional to 481,226.42, 721,433.70 and 303,341.36

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Solution

The fourth proportional to 481,226.42, 721,433.70 and 303,341.36 is: 454,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,226.42 : 721,433.70 = 303,341.36 : x
  2. Step 2: Convert to fraction form
    481,226.42/721,433.70 = 303,341.36/x
  3. Step 3: Cross multiply
    481,226.42x = 721,433.70 × 303,341.36
  4. Step 4: Simplify right side
    481,226.42x = 218,840,679,707.83
  5. Step 5: Solve for x
    x = 218,840,679,707.83/481,226.42
  6. Step 6: Final answer
    x = 454,756.16

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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.