Home / 447,795.53-617,305.01-340,178.73

Finding the Fourth Proportional to 447,795.53, 617,305.01 and 340,178.73

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Solution

The fourth proportional to 447,795.53, 617,305.01 and 340,178.73 is: 468,950.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,795.53 : 617,305.01 = 340,178.73 : x
  2. Step 2: Convert to fraction form
    447,795.53/617,305.01 = 340,178.73/x
  3. Step 3: Cross multiply
    447,795.53x = 617,305.01 × 340,178.73
  4. Step 4: Simplify right side
    447,795.53x = 209,994,032,623.54
  5. Step 5: Solve for x
    x = 209,994,032,623.54/447,795.53
  6. Step 6: Final answer
    x = 468,950.72

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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.