Home / 481,964.10-723,846.62-424,281.80

Finding the Fourth Proportional to 481,964.10, 723,846.62 and 424,281.80

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Solution

The fourth proportional to 481,964.10, 723,846.62 and 424,281.80 is: 637,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,964.10 : 723,846.62 = 424,281.80 : x
  2. Step 2: Convert to fraction form
    481,964.10/723,846.62 = 424,281.80/x
  3. Step 3: Cross multiply
    481,964.10x = 723,846.62 × 424,281.80
  4. Step 4: Simplify right side
    481,964.10x = 307,114,946,857.52
  5. Step 5: Solve for x
    x = 307,114,946,857.52/481,964.10
  6. Step 6: Final answer
    x = 637,215.40

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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.