Home / 449,225.44-619,932.42-245,278.12

Finding the Fourth Proportional to 449,225.44, 619,932.42 and 245,278.12

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Solution

The fourth proportional to 449,225.44, 619,932.42 and 245,278.12 is: 338,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,225.44 : 619,932.42 = 245,278.12 : x
  2. Step 2: Convert to fraction form
    449,225.44/619,932.42 = 245,278.12/x
  3. Step 3: Cross multiply
    449,225.44x = 619,932.42 × 245,278.12
  4. Step 4: Simplify right side
    449,225.44x = 152,055,858,504.65
  5. Step 5: Solve for x
    x = 152,055,858,504.65/449,225.44
  6. Step 6: Final answer
    x = 338,484.52

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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.