Home / 353,914.20-531,908.10-347,693.40

Finding the Fourth Proportional to 353,914.20, 531,908.10 and 347,693.40

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Solution

The fourth proportional to 353,914.20, 531,908.10 and 347,693.40 is: 522,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,914.20 : 531,908.10 = 347,693.40 : x
  2. Step 2: Convert to fraction form
    353,914.20/531,908.10 = 347,693.40/x
  3. Step 3: Cross multiply
    353,914.20x = 531,908.10 × 347,693.40
  4. Step 4: Simplify right side
    353,914.20x = 184,940,935,776.54
  5. Step 5: Solve for x
    x = 184,940,935,776.54/353,914.20
  6. Step 6: Final answer
    x = 522,558.68

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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.