Home / 721,467.08-1,082,348.22-248,090.96

Finding the Fourth Proportional to 721,467.08, 1,082,348.22 and 248,090.96

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Solution

The fourth proportional to 721,467.08, 1,082,348.22 and 248,090.96 is: 372,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,467.08 : 1,082,348.22 = 248,090.96 : x
  2. Step 2: Convert to fraction form
    721,467.08/1,082,348.22 = 248,090.96/x
  3. Step 3: Cross multiply
    721,467.08x = 1,082,348.22 × 248,090.96
  4. Step 4: Simplify right side
    721,467.08x = 268,520,808,954.09
  5. Step 5: Solve for x
    x = 268,520,808,954.09/721,467.08
  6. Step 6: Final answer
    x = 372,187.20

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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.