Home / 976,736.70-1,465,105.05-724,794.30

Finding the Fourth Proportional to 976,736.70, 1,465,105.05 and 724,794.30

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Solution

The fourth proportional to 976,736.70, 1,465,105.05 and 724,794.30 is: 1,087,191.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,736.70 : 1,465,105.05 = 724,794.30 : x
  2. Step 2: Convert to fraction form
    976,736.70/1,465,105.05 = 724,794.30/x
  3. Step 3: Cross multiply
    976,736.70x = 1,465,105.05 × 724,794.30
  4. Step 4: Simplify right side
    976,736.70x = 1,061,899,789,141.22
  5. Step 5: Solve for x
    x = 1,061,899,789,141.22/976,736.70
  6. Step 6: Final answer
    x = 1,087,191.45

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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.