Home / 481,336.12-664,218.59-263,503.03

Finding the Fourth Proportional to 481,336.12, 664,218.59 and 263,503.03

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Solution

The fourth proportional to 481,336.12, 664,218.59 and 263,503.03 is: 363,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,336.12 : 664,218.59 = 263,503.03 : x
  2. Step 2: Convert to fraction form
    481,336.12/664,218.59 = 263,503.03/x
  3. Step 3: Cross multiply
    481,336.12x = 664,218.59 × 263,503.03
  4. Step 4: Simplify right side
    481,336.12x = 175,023,609,729.81
  5. Step 5: Solve for x
    x = 175,023,609,729.81/481,336.12
  6. Step 6: Final answer
    x = 363,620.35

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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.