Home / 481,408.02-664,353.45-263,625.87

Finding the Fourth Proportional to 481,408.02, 664,353.45 and 263,625.87

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Solution

The fourth proportional to 481,408.02, 664,353.45 and 263,625.87 is: 363,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,408.02 : 664,353.45 = 263,625.87 : x
  2. Step 2: Convert to fraction form
    481,408.02/664,353.45 = 263,625.87/x
  3. Step 3: Cross multiply
    481,408.02x = 664,353.45 × 263,625.87
  4. Step 4: Simplify right side
    481,408.02x = 175,140,756,243.75
  5. Step 5: Solve for x
    x = 175,140,756,243.75/481,408.02
  6. Step 6: Final answer
    x = 363,809.39

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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.