Home / 386,556.20-581,000.70-335,234.60

Finding the Fourth Proportional to 386,556.20, 581,000.70 and 335,234.60

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Solution

The fourth proportional to 386,556.20, 581,000.70 and 335,234.60 is: 503,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,556.20 : 581,000.70 = 335,234.60 : x
  2. Step 2: Convert to fraction form
    386,556.20/581,000.70 = 335,234.60/x
  3. Step 3: Cross multiply
    386,556.20x = 581,000.70 × 335,234.60
  4. Step 4: Simplify right side
    386,556.20x = 194,771,537,264.22
  5. Step 5: Solve for x
    x = 194,771,537,264.22/386,556.20
  6. Step 6: Final answer
    x = 503,863.44

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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.