Home / 824,682.10-1,236,850.35-404,259.70

Finding the Fourth Proportional to 824,682.10, 1,236,850.35 and 404,259.70

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Solution

The fourth proportional to 824,682.10, 1,236,850.35 and 404,259.70 is: 606,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,682.10 : 1,236,850.35 = 404,259.70 : x
  2. Step 2: Convert to fraction form
    824,682.10/1,236,850.35 = 404,259.70/x
  3. Step 3: Cross multiply
    824,682.10x = 1,236,850.35 × 404,259.70
  4. Step 4: Simplify right side
    824,682.10x = 500,008,751,435.90
  5. Step 5: Solve for x
    x = 500,008,751,435.90/824,682.10
  6. Step 6: Final answer
    x = 606,304.84

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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.