Home / 863,967.80-1,192,252.56-481,984.76

Finding the Fourth Proportional to 863,967.80, 1,192,252.56 and 481,984.76

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Solution

The fourth proportional to 863,967.80, 1,192,252.56 and 481,984.76 is: 665,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,967.80 : 1,192,252.56 = 481,984.76 : x
  2. Step 2: Convert to fraction form
    863,967.80/1,192,252.56 = 481,984.76/x
  3. Step 3: Cross multiply
    863,967.80x = 1,192,252.56 × 481,984.76
  4. Step 4: Simplify right side
    863,967.80x = 574,647,563,990.99
  5. Step 5: Solve for x
    x = 574,647,563,990.99/863,967.80
  6. Step 6: Final answer
    x = 665,126.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.