Home / 512,783.22-769,247.73-157,826.82

Finding the Fourth Proportional to 512,783.22, 769,247.73 and 157,826.82

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Solution

The fourth proportional to 512,783.22, 769,247.73 and 157,826.82 is: 236,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,783.22 : 769,247.73 = 157,826.82 : x
  2. Step 2: Convert to fraction form
    512,783.22/769,247.73 = 157,826.82/x
  3. Step 3: Cross multiply
    512,783.22x = 769,247.73 × 157,826.82
  4. Step 4: Simplify right side
    512,783.22x = 121,407,923,018.12
  5. Step 5: Solve for x
    x = 121,407,923,018.12/512,783.22
  6. Step 6: Final answer
    x = 236,762.67

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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.