Home / 976,675.80-1,463,847.30-408,055.80

Finding the Fourth Proportional to 976,675.80, 1,463,847.30 and 408,055.80

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Solution

The fourth proportional to 976,675.80, 1,463,847.30 and 408,055.80 is: 611,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,675.80 : 1,463,847.30 = 408,055.80 : x
  2. Step 2: Convert to fraction form
    976,675.80/1,463,847.30 = 408,055.80/x
  3. Step 3: Cross multiply
    976,675.80x = 1,463,847.30 × 408,055.80
  4. Step 4: Simplify right side
    976,675.80x = 597,331,381,079.34
  5. Step 5: Solve for x
    x = 597,331,381,079.34/976,675.80
  6. Step 6: Final answer
    x = 611,596.38

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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.