Home / 481,473-664,424.56-266,608.45

Finding the Fourth Proportional to 481,473, 664,424.56 and 266,608.45

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Solution

The fourth proportional to 481,473, 664,424.56 and 266,608.45 is: 367,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,473 : 664,424.56 = 266,608.45 : x
  2. Step 2: Convert to fraction form
    481,473/664,424.56 = 266,608.45/x
  3. Step 3: Cross multiply
    481,473x = 664,424.56 × 266,608.45
  4. Step 4: Simplify right side
    481,473x = 177,141,199,755.95
  5. Step 5: Solve for x
    x = 177,141,199,755.95/481,473
  6. Step 6: Final answer
    x = 367,915.13

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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.