Home / 825,009.60-1,237,514.40-493,233.60

Finding the Fourth Proportional to 825,009.60, 1,237,514.40 and 493,233.60

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Solution

The fourth proportional to 825,009.60, 1,237,514.40 and 493,233.60 is: 739,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,009.60 : 1,237,514.40 = 493,233.60 : x
  2. Step 2: Convert to fraction form
    825,009.60/1,237,514.40 = 493,233.60/x
  3. Step 3: Cross multiply
    825,009.60x = 1,237,514.40 × 493,233.60
  4. Step 4: Simplify right side
    825,009.60x = 610,383,682,563.84
  5. Step 5: Solve for x
    x = 610,383,682,563.84/825,009.60
  6. Step 6: Final answer
    x = 739,850.40

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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.