Home / 734,485.20-1,101,727.80-419,557.20

Finding the Fourth Proportional to 734,485.20, 1,101,727.80 and 419,557.20

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Solution

The fourth proportional to 734,485.20, 1,101,727.80 and 419,557.20 is: 629,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,485.20 : 1,101,727.80 = 419,557.20 : x
  2. Step 2: Convert to fraction form
    734,485.20/1,101,727.80 = 419,557.20/x
  3. Step 3: Cross multiply
    734,485.20x = 1,101,727.80 × 419,557.20
  4. Step 4: Simplify right side
    734,485.20x = 462,237,830,930.16
  5. Step 5: Solve for x
    x = 462,237,830,930.16/734,485.20
  6. Step 6: Final answer
    x = 629,335.80

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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.