Home / 389,566.51-585,286.19-368,059.79

Finding the Fourth Proportional to 389,566.51, 585,286.19 and 368,059.79

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Solution

The fourth proportional to 389,566.51, 585,286.19 and 368,059.79 is: 552,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,566.51 : 585,286.19 = 368,059.79 : x
  2. Step 2: Convert to fraction form
    389,566.51/585,286.19 = 368,059.79/x
  3. Step 3: Cross multiply
    389,566.51x = 585,286.19 × 368,059.79
  4. Step 4: Simplify right side
    389,566.51x = 215,420,312,181.30
  5. Step 5: Solve for x
    x = 215,420,312,181.30/389,566.51
  6. Step 6: Final answer
    x = 552,974.41

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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.