Home / 481,012.40-723,268.20-470,514.80

Finding the Fourth Proportional to 481,012.40, 723,268.20 and 470,514.80

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Solution

The fourth proportional to 481,012.40, 723,268.20 and 470,514.80 is: 707,483.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,012.40 : 723,268.20 = 470,514.80 : x
  2. Step 2: Convert to fraction form
    481,012.40/723,268.20 = 470,514.80/x
  3. Step 3: Cross multiply
    481,012.40x = 723,268.20 × 470,514.80
  4. Step 4: Simplify right side
    481,012.40x = 340,308,392,469.36
  5. Step 5: Solve for x
    x = 340,308,392,469.36/481,012.40
  6. Step 6: Final answer
    x = 707,483.62

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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.