Home / 3,885,200.40-5,827,800.60-1,189,520.40

Finding the Fourth Proportional to 3,885,200.40, 5,827,800.60 and 1,189,520.40

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Solution

The fourth proportional to 3,885,200.40, 5,827,800.60 and 1,189,520.40 is: 1,784,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,200.40 : 5,827,800.60 = 1,189,520.40 : x
  2. Step 2: Convert to fraction form
    3,885,200.40/5,827,800.60 = 1,189,520.40/x
  3. Step 3: Cross multiply
    3,885,200.40x = 5,827,800.60 × 1,189,520.40
  4. Step 4: Simplify right side
    3,885,200.40x = 6,932,287,700,832.24
  5. Step 5: Solve for x
    x = 6,932,287,700,832.24/3,885,200.40
  6. Step 6: Final answer
    x = 1,784,280.60

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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.