Home / 449,540.01-620,377.42-268,357.14

Finding the Fourth Proportional to 449,540.01, 620,377.42 and 268,357.14

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Solution

The fourth proportional to 449,540.01, 620,377.42 and 268,357.14 is: 370,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,540.01 : 620,377.42 = 268,357.14 : x
  2. Step 2: Convert to fraction form
    449,540.01/620,377.42 = 268,357.14/x
  3. Step 3: Cross multiply
    449,540.01x = 620,377.42 × 268,357.14
  4. Step 4: Simplify right side
    449,540.01x = 166,482,710,360.94
  5. Step 5: Solve for x
    x = 166,482,710,360.94/449,540.01
  6. Step 6: Final answer
    x = 370,340.14

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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.