Home / 1,193,325-1,789,791.72-328,558.20

Finding the Fourth Proportional to 1,193,325, 1,789,791.72 and 328,558.20

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Solution

The fourth proportional to 1,193,325, 1,789,791.72 and 328,558.20 is: 492,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,325 : 1,789,791.72 = 328,558.20 : x
  2. Step 2: Convert to fraction form
    1,193,325/1,789,791.72 = 328,558.20/x
  3. Step 3: Cross multiply
    1,193,325x = 1,789,791.72 × 328,558.20
  4. Step 4: Simplify right side
    1,193,325x = 588,050,745,898.10
  5. Step 5: Solve for x
    x = 588,050,745,898.10/1,193,325
  6. Step 6: Final answer
    x = 492,783.40

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Half scale
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Double scale
Find fourth proportional to 1,193,326, 1,789,793.22 and 328,559.20
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.