Home / 481,953.14-723,128.21-211,942.47

Finding the Fourth Proportional to 481,953.14, 723,128.21 and 211,942.47

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Solution

The fourth proportional to 481,953.14, 723,128.21 and 211,942.47 is: 318,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,953.14 : 723,128.21 = 211,942.47 : x
  2. Step 2: Convert to fraction form
    481,953.14/723,128.21 = 211,942.47/x
  3. Step 3: Cross multiply
    481,953.14x = 723,128.21 × 211,942.47
  4. Step 4: Simplify right side
    481,953.14x = 153,261,581,400.88
  5. Step 5: Solve for x
    x = 153,261,581,400.88/481,953.14
  6. Step 6: Final answer
    x = 318,001.00

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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.