Home / 856,850.85-1,277,615.78-833,309.67

Finding the Fourth Proportional to 856,850.85, 1,277,615.78 and 833,309.67

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Solution

The fourth proportional to 856,850.85, 1,277,615.78 and 833,309.67 is: 1,242,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,850.85 : 1,277,615.78 = 833,309.67 : x
  2. Step 2: Convert to fraction form
    856,850.85/1,277,615.78 = 833,309.67/x
  3. Step 3: Cross multiply
    856,850.85x = 1,277,615.78 × 833,309.67
  4. Step 4: Simplify right side
    856,850.85x = 1,064,649,584,018.59
  5. Step 5: Solve for x
    x = 1,064,649,584,018.59/856,850.85
  6. Step 6: Final answer
    x = 1,242,514.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.