Home / 481,389.05-664,326.96-263,606.92

Finding the Fourth Proportional to 481,389.05, 664,326.96 and 263,606.92

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Solution

The fourth proportional to 481,389.05, 664,326.96 and 263,606.92 is: 363,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,389.05 : 664,326.96 = 263,606.92 : x
  2. Step 2: Convert to fraction form
    481,389.05/664,326.96 = 263,606.92/x
  3. Step 3: Cross multiply
    481,389.05x = 664,326.96 × 263,606.92
  4. Step 4: Simplify right side
    481,389.05x = 175,121,183,798.56
  5. Step 5: Solve for x
    x = 175,121,183,798.56/481,389.05
  6. Step 6: Final answer
    x = 363,783.06

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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.