Home / 800,441.60-1,104,636.69-456,328.42

Finding the Fourth Proportional to 800,441.60, 1,104,636.69 and 456,328.42

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Solution

The fourth proportional to 800,441.60, 1,104,636.69 and 456,328.42 is: 629,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,441.60 : 1,104,636.69 = 456,328.42 : x
  2. Step 2: Convert to fraction form
    800,441.60/1,104,636.69 = 456,328.42/x
  3. Step 3: Cross multiply
    800,441.60x = 1,104,636.69 × 456,328.42
  4. Step 4: Simplify right side
    800,441.60x = 504,077,112,660.14
  5. Step 5: Solve for x
    x = 504,077,112,660.14/800,441.60
  6. Step 6: Final answer
    x = 629,748.77

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.