Home / 469,421.26-647,795.21-254,560.19

Finding the Fourth Proportional to 469,421.26, 647,795.21 and 254,560.19

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Solution

The fourth proportional to 469,421.26, 647,795.21 and 254,560.19 is: 351,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,421.26 : 647,795.21 = 254,560.19 : x
  2. Step 2: Convert to fraction form
    469,421.26/647,795.21 = 254,560.19/x
  3. Step 3: Cross multiply
    469,421.26x = 647,795.21 × 254,560.19
  4. Step 4: Simplify right side
    469,421.26x = 164,902,867,226.91
  5. Step 5: Solve for x
    x = 164,902,867,226.91/469,421.26
  6. Step 6: Final answer
    x = 351,289.73

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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.