Home / 389,556.45-584,334.68-347,566.05

Finding the Fourth Proportional to 389,556.45, 584,334.68 and 347,566.05

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Solution

The fourth proportional to 389,556.45, 584,334.68 and 347,566.05 is: 521,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,556.45 : 584,334.68 = 347,566.05 : x
  2. Step 2: Convert to fraction form
    389,556.45/584,334.68 = 347,566.05/x
  3. Step 3: Cross multiply
    389,556.45x = 584,334.68 × 347,566.05
  4. Step 4: Simplify right side
    389,556.45x = 203,094,894,867.78
  5. Step 5: Solve for x
    x = 203,094,894,867.78/389,556.45
  6. Step 6: Final answer
    x = 521,349.08

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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.