Home / 673,411.20-1,010,230.20-200,144.40

Finding the Fourth Proportional to 673,411.20, 1,010,230.20 and 200,144.40

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Solution

The fourth proportional to 673,411.20, 1,010,230.20 and 200,144.40 is: 300,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,411.20 : 1,010,230.20 = 200,144.40 : x
  2. Step 2: Convert to fraction form
    673,411.20/1,010,230.20 = 200,144.40/x
  3. Step 3: Cross multiply
    673,411.20x = 1,010,230.20 × 200,144.40
  4. Step 4: Simplify right side
    673,411.20x = 202,191,917,240.88
  5. Step 5: Solve for x
    x = 202,191,917,240.88/673,411.20
  6. Step 6: Final answer
    x = 300,250.30

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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.