Home / 654,614.10-982,219.23-317,472.66

Finding the Fourth Proportional to 654,614.10, 982,219.23 and 317,472.66

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Solution

The fourth proportional to 654,614.10, 982,219.23 and 317,472.66 is: 476,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,614.10 : 982,219.23 = 317,472.66 : x
  2. Step 2: Convert to fraction form
    654,614.10/982,219.23 = 317,472.66/x
  3. Step 3: Cross multiply
    654,614.10x = 982,219.23 × 317,472.66
  4. Step 4: Simplify right side
    654,614.10x = 311,827,751,651.25
  5. Step 5: Solve for x
    x = 311,827,751,651.25/654,614.10
  6. Step 6: Final answer
    x = 476,353.55

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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.