Home / 481,340.43-664,224.50-263,507.40

Finding the Fourth Proportional to 481,340.43, 664,224.50 and 263,507.40

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Solution

The fourth proportional to 481,340.43, 664,224.50 and 263,507.40 is: 363,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,340.43 : 664,224.50 = 263,507.40 : x
  2. Step 2: Convert to fraction form
    481,340.43/664,224.50 = 263,507.40/x
  3. Step 3: Cross multiply
    481,340.43x = 664,224.50 × 263,507.40
  4. Step 4: Simplify right side
    481,340.43x = 175,028,071,670.07
  5. Step 5: Solve for x
    x = 175,028,071,670.07/481,340.43
  6. Step 6: Final answer
    x = 363,626.37

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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.