Home / 1,409,586.80-2,114,380.20-344,616.21

Finding the Fourth Proportional to 1,409,586.80, 2,114,380.20 and 344,616.21

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Solution

The fourth proportional to 1,409,586.80, 2,114,380.20 and 344,616.21 is: 516,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,586.80 : 2,114,380.20 = 344,616.21 : x
  2. Step 2: Convert to fraction form
    1,409,586.80/2,114,380.20 = 344,616.21/x
  3. Step 3: Cross multiply
    1,409,586.80x = 2,114,380.20 × 344,616.21
  4. Step 4: Simplify right side
    1,409,586.80x = 728,649,691,023.04
  5. Step 5: Solve for x
    x = 728,649,691,023.04/1,409,586.80
  6. Step 6: Final answer
    x = 516,924.32

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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.