Home / 467,998.20-701,997.30-389,266.20

Finding the Fourth Proportional to 467,998.20, 701,997.30 and 389,266.20

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Solution

The fourth proportional to 467,998.20, 701,997.30 and 389,266.20 is: 583,899.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,998.20 : 701,997.30 = 389,266.20 : x
  2. Step 2: Convert to fraction form
    467,998.20/701,997.30 = 389,266.20/x
  3. Step 3: Cross multiply
    467,998.20x = 701,997.30 × 389,266.20
  4. Step 4: Simplify right side
    467,998.20x = 273,263,821,381.26
  5. Step 5: Solve for x
    x = 273,263,821,381.26/467,998.20
  6. Step 6: Final answer
    x = 583,899.30

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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.