Home / 934,899.44-1,290,161.19-505,179.55

Finding the Fourth Proportional to 934,899.44, 1,290,161.19 and 505,179.55

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Solution

The fourth proportional to 934,899.44, 1,290,161.19 and 505,179.55 is: 697,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,899.44 : 1,290,161.19 = 505,179.55 : x
  2. Step 2: Convert to fraction form
    934,899.44/1,290,161.19 = 505,179.55/x
  3. Step 3: Cross multiply
    934,899.44x = 1,290,161.19 × 505,179.55
  4. Step 4: Simplify right side
    934,899.44x = 651,763,052,898.79
  5. Step 5: Solve for x
    x = 651,763,052,898.79/934,899.44
  6. Step 6: Final answer
    x = 697,147.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.