Home / 1,512,193-2,268,709.88-659,339.20

Finding the Fourth Proportional to 1,512,193, 2,268,709.88 and 659,339.20

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Solution

The fourth proportional to 1,512,193, 2,268,709.88 and 659,339.20 is: 989,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,193 : 2,268,709.88 = 659,339.20 : x
  2. Step 2: Convert to fraction form
    1,512,193/2,268,709.88 = 659,339.20/x
  3. Step 3: Cross multiply
    1,512,193x = 2,268,709.88 × 659,339.20
  4. Step 4: Simplify right side
    1,512,193x = 1,495,849,357,311.30
  5. Step 5: Solve for x
    x = 1,495,849,357,311.30/1,512,193
  6. Step 6: Final answer
    x = 989,192.09

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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.