Home / 477,039.24-715,645.26-196,403.40

Finding the Fourth Proportional to 477,039.24, 715,645.26 and 196,403.40

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Solution

The fourth proportional to 477,039.24, 715,645.26 and 196,403.40 is: 294,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,039.24 : 715,645.26 = 196,403.40 : x
  2. Step 2: Convert to fraction form
    477,039.24/715,645.26 = 196,403.40/x
  3. Step 3: Cross multiply
    477,039.24x = 715,645.26 × 196,403.40
  4. Step 4: Simplify right side
    477,039.24x = 140,555,162,257.88
  5. Step 5: Solve for x
    x = 140,555,162,257.88/477,039.24
  6. Step 6: Final answer
    x = 294,640.67

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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.