Home / 694,294.88-1,041,450.96-220,978.40

Finding the Fourth Proportional to 694,294.88, 1,041,450.96 and 220,978.40

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Solution

The fourth proportional to 694,294.88, 1,041,450.96 and 220,978.40 is: 331,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,294.88 : 1,041,450.96 = 220,978.40 : x
  2. Step 2: Convert to fraction form
    694,294.88/1,041,450.96 = 220,978.40/x
  3. Step 3: Cross multiply
    694,294.88x = 1,041,450.96 × 220,978.40
  4. Step 4: Simplify right side
    694,294.88x = 230,138,166,819.26
  5. Step 5: Solve for x
    x = 230,138,166,819.26/694,294.88
  6. Step 6: Final answer
    x = 331,470.35

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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.