Home / 654,748.20-982,122.30-540,586.80

Finding the Fourth Proportional to 654,748.20, 982,122.30 and 540,586.80

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Solution

The fourth proportional to 654,748.20, 982,122.30 and 540,586.80 is: 810,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,748.20 : 982,122.30 = 540,586.80 : x
  2. Step 2: Convert to fraction form
    654,748.20/982,122.30 = 540,586.80/x
  3. Step 3: Cross multiply
    654,748.20x = 982,122.30 × 540,586.80
  4. Step 4: Simplify right side
    654,748.20x = 530,922,351,365.64
  5. Step 5: Solve for x
    x = 530,922,351,365.64/654,748.20
  6. Step 6: Final answer
    x = 810,880.20

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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.