Home / 449,623.80-674,327.70-259,673.40

Finding the Fourth Proportional to 449,623.80, 674,327.70 and 259,673.40

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Solution

The fourth proportional to 449,623.80, 674,327.70 and 259,673.40 is: 389,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,623.80 : 674,327.70 = 259,673.40 : x
  2. Step 2: Convert to fraction form
    449,623.80/674,327.70 = 259,673.40/x
  3. Step 3: Cross multiply
    449,623.80x = 674,327.70 × 259,673.40
  4. Step 4: Simplify right side
    449,623.80x = 175,104,966,573.18
  5. Step 5: Solve for x
    x = 175,104,966,573.18/449,623.80
  6. Step 6: Final answer
    x = 389,447.73

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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.