Home / 621,845.20-933,228.60-248,136.40

Finding the Fourth Proportional to 621,845.20, 933,228.60 and 248,136.40

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Solution

The fourth proportional to 621,845.20, 933,228.60 and 248,136.40 is: 372,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,845.20 : 933,228.60 = 248,136.40 : x
  2. Step 2: Convert to fraction form
    621,845.20/933,228.60 = 248,136.40/x
  3. Step 3: Cross multiply
    621,845.20x = 933,228.60 × 248,136.40
  4. Step 4: Simplify right side
    621,845.20x = 231,567,985,181.04
  5. Step 5: Solve for x
    x = 231,567,985,181.04/621,845.20
  6. Step 6: Final answer
    x = 372,388.47

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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.