Home / 976,741.80-1,463,946.30-408,121.80

Finding the Fourth Proportional to 976,741.80, 1,463,946.30 and 408,121.80

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Solution

The fourth proportional to 976,741.80, 1,463,946.30 and 408,121.80 is: 611,695.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,741.80 : 1,463,946.30 = 408,121.80 : x
  2. Step 2: Convert to fraction form
    976,741.80/1,463,946.30 = 408,121.80/x
  3. Step 3: Cross multiply
    976,741.80x = 1,463,946.30 × 408,121.80
  4. Step 4: Simplify right side
    976,741.80x = 597,468,399,059.34
  5. Step 5: Solve for x
    x = 597,468,399,059.34/976,741.80
  6. Step 6: Final answer
    x = 611,695.33

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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.