Home / 1,366,218.60-2,049,327.90-419,466.30

Finding the Fourth Proportional to 1,366,218.60, 2,049,327.90 and 419,466.30

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Solution

The fourth proportional to 1,366,218.60, 2,049,327.90 and 419,466.30 is: 629,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,218.60 : 2,049,327.90 = 419,466.30 : x
  2. Step 2: Convert to fraction form
    1,366,218.60/2,049,327.90 = 419,466.30/x
  3. Step 3: Cross multiply
    1,366,218.60x = 2,049,327.90 × 419,466.30
  4. Step 4: Simplify right side
    1,366,218.60x = 859,623,991,699.77
  5. Step 5: Solve for x
    x = 859,623,991,699.77/1,366,218.60
  6. Step 6: Final answer
    x = 629,199.45

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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.