Home / 492,051.40-738,077.10-324,089.80

Finding the Fourth Proportional to 492,051.40, 738,077.10 and 324,089.80

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Solution

The fourth proportional to 492,051.40, 738,077.10 and 324,089.80 is: 486,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,051.40 : 738,077.10 = 324,089.80 : x
  2. Step 2: Convert to fraction form
    492,051.40/738,077.10 = 324,089.80/x
  3. Step 3: Cross multiply
    492,051.40x = 738,077.10 × 324,089.80
  4. Step 4: Simplify right side
    492,051.40x = 239,203,259,723.58
  5. Step 5: Solve for x
    x = 239,203,259,723.58/492,051.40
  6. Step 6: Final answer
    x = 486,134.70

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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.