Home / 823,908.40-1,235,862.60-262,999.60

Finding the Fourth Proportional to 823,908.40, 1,235,862.60 and 262,999.60

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Solution

The fourth proportional to 823,908.40, 1,235,862.60 and 262,999.60 is: 394,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,908.40 : 1,235,862.60 = 262,999.60 : x
  2. Step 2: Convert to fraction form
    823,908.40/1,235,862.60 = 262,999.60/x
  3. Step 3: Cross multiply
    823,908.40x = 1,235,862.60 × 262,999.60
  4. Step 4: Simplify right side
    823,908.40x = 325,031,369,454.96
  5. Step 5: Solve for x
    x = 325,031,369,454.96/823,908.40
  6. Step 6: Final answer
    x = 394,499.40

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