Home / 481,039.32-721,551.42-165,498.96

Finding the Fourth Proportional to 481,039.32, 721,551.42 and 165,498.96

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Solution

The fourth proportional to 481,039.32, 721,551.42 and 165,498.96 is: 248,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,039.32 : 721,551.42 = 165,498.96 : x
  2. Step 2: Convert to fraction form
    481,039.32/721,551.42 = 165,498.96/x
  3. Step 3: Cross multiply
    481,039.32x = 721,551.42 × 165,498.96
  4. Step 4: Simplify right side
    481,039.32x = 119,416,009,596.52
  5. Step 5: Solve for x
    x = 119,416,009,596.52/481,039.32
  6. Step 6: Final answer
    x = 248,245.84

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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.