Home / 326,118.16-449,433.66-254,384.56

Finding the Fourth Proportional to 326,118.16, 449,433.66 and 254,384.56

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Solution

The fourth proportional to 326,118.16, 449,433.66 and 254,384.56 is: 350,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,118.16 : 449,433.66 = 254,384.56 : x
  2. Step 2: Convert to fraction form
    326,118.16/449,433.66 = 254,384.56/x
  3. Step 3: Cross multiply
    326,118.16x = 449,433.66 × 254,384.56
  4. Step 4: Simplify right side
    326,118.16x = 114,328,983,848.29
  5. Step 5: Solve for x
    x = 114,328,983,848.29/326,118.16
  6. Step 6: Final answer
    x = 350,575.34

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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.