Home / 476,447.31-713,999.06-263,311.20

Finding the Fourth Proportional to 476,447.31, 713,999.06 and 263,311.20

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Solution

The fourth proportional to 476,447.31, 713,999.06 and 263,311.20 is: 394,595.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,447.31 : 713,999.06 = 263,311.20 : x
  2. Step 2: Convert to fraction form
    476,447.31/713,999.06 = 263,311.20/x
  3. Step 3: Cross multiply
    476,447.31x = 713,999.06 × 263,311.20
  4. Step 4: Simplify right side
    476,447.31x = 188,003,949,287.47
  5. Step 5: Solve for x
    x = 188,003,949,287.47/476,447.31
  6. Step 6: Final answer
    x = 394,595.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.