Home / 2,798,174.58-4,197,261.87-776,418.86

Finding the Fourth Proportional to 2,798,174.58, 4,197,261.87 and 776,418.86

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Solution

The fourth proportional to 2,798,174.58, 4,197,261.87 and 776,418.86 is: 1,164,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,174.58 : 4,197,261.87 = 776,418.86 : x
  2. Step 2: Convert to fraction form
    2,798,174.58/4,197,261.87 = 776,418.86/x
  3. Step 3: Cross multiply
    2,798,174.58x = 4,197,261.87 × 776,418.86
  4. Step 4: Simplify right side
    2,798,174.58x = 3,258,833,255,240.56
  5. Step 5: Solve for x
    x = 3,258,833,255,240.56/2,798,174.58
  6. Step 6: Final answer
    x = 1,164,628.28

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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.