Home / 445,840.65-668,753.24-179,594.36

Finding the Fourth Proportional to 445,840.65, 668,753.24 and 179,594.36

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Solution

The fourth proportional to 445,840.65, 668,753.24 and 179,594.36 is: 269,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,840.65 : 668,753.24 = 179,594.36 : x
  2. Step 2: Convert to fraction form
    445,840.65/668,753.24 = 179,594.36/x
  3. Step 3: Cross multiply
    445,840.65x = 668,753.24 × 179,594.36
  4. Step 4: Simplify right side
    445,840.65x = 120,104,308,401.81
  5. Step 5: Solve for x
    x = 120,104,308,401.81/445,840.65
  6. Step 6: Final answer
    x = 269,388.42

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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.