Home / 353,890.20-531,872.10-347,669.40

Finding the Fourth Proportional to 353,890.20, 531,872.10 and 347,669.40

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Solution

The fourth proportional to 353,890.20, 531,872.10 and 347,669.40 is: 522,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,890.20 : 531,872.10 = 347,669.40 : x
  2. Step 2: Convert to fraction form
    353,890.20/531,872.10 = 347,669.40/x
  3. Step 3: Cross multiply
    353,890.20x = 531,872.10 × 347,669.40
  4. Step 4: Simplify right side
    353,890.20x = 184,915,653,883.74
  5. Step 5: Solve for x
    x = 184,915,653,883.74/353,890.20
  6. Step 6: Final answer
    x = 522,522.67

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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.