Home / 449,245.54-619,971.62-245,309.41

Finding the Fourth Proportional to 449,245.54, 619,971.62 and 245,309.41

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Solution

The fourth proportional to 449,245.54, 619,971.62 and 245,309.41 is: 338,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,245.54 : 619,971.62 = 245,309.41 : x
  2. Step 2: Convert to fraction form
    449,245.54/619,971.62 = 245,309.41/x
  3. Step 3: Cross multiply
    449,245.54x = 619,971.62 × 245,309.41
  4. Step 4: Simplify right side
    449,245.54x = 152,084,873,247.23
  5. Step 5: Solve for x
    x = 152,084,873,247.23/449,245.54
  6. Step 6: Final answer
    x = 338,533.96

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1.5x scale

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.