Home / 721,633.92-1,082,514.48-189,153.12

Finding the Fourth Proportional to 721,633.92, 1,082,514.48 and 189,153.12

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Solution

The fourth proportional to 721,633.92, 1,082,514.48 and 189,153.12 is: 283,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,633.92 : 1,082,514.48 = 189,153.12 : x
  2. Step 2: Convert to fraction form
    721,633.92/1,082,514.48 = 189,153.12/x
  3. Step 3: Cross multiply
    721,633.92x = 1,082,514.48 × 189,153.12
  4. Step 4: Simplify right side
    721,633.92x = 204,760,991,337.18
  5. Step 5: Solve for x
    x = 204,760,991,337.18/721,633.92
  6. Step 6: Final answer
    x = 283,746.35

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Double scale
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Similar ratio
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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.