Home / 539,921.77-810,049.79-324,021.58

Finding the Fourth Proportional to 539,921.77, 810,049.79 and 324,021.58

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Solution

The fourth proportional to 539,921.77, 810,049.79 and 324,021.58 is: 486,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,921.77 : 810,049.79 = 324,021.58 : x
  2. Step 2: Convert to fraction form
    539,921.77/810,049.79 = 324,021.58/x
  3. Step 3: Cross multiply
    539,921.77x = 810,049.79 × 324,021.58
  4. Step 4: Simplify right side
    539,921.77x = 262,473,611,619.40
  5. Step 5: Solve for x
    x = 262,473,611,619.40/539,921.77
  6. Step 6: Final answer
    x = 486,132.67

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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.