Home / 447,114.58-617,012.16-243,161.11

Finding the Fourth Proportional to 447,114.58, 617,012.16 and 243,161.11

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Solution

The fourth proportional to 447,114.58, 617,012.16 and 243,161.11 is: 335,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,114.58 : 617,012.16 = 243,161.11 : x
  2. Step 2: Convert to fraction form
    447,114.58/617,012.16 = 243,161.11/x
  3. Step 3: Cross multiply
    447,114.58x = 617,012.16 × 243,161.11
  4. Step 4: Simplify right side
    447,114.58x = 150,033,362,035.48
  5. Step 5: Solve for x
    x = 150,033,362,035.48/447,114.58
  6. Step 6: Final answer
    x = 335,559.09

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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.