Home / 462,815.01-693,504.45-320,937.03

Finding the Fourth Proportional to 462,815.01, 693,504.45 and 320,937.03

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Solution

The fourth proportional to 462,815.01, 693,504.45 and 320,937.03 is: 480,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,815.01 : 693,504.45 = 320,937.03 : x
  2. Step 2: Convert to fraction form
    462,815.01/693,504.45 = 320,937.03/x
  3. Step 3: Cross multiply
    462,815.01x = 693,504.45 × 320,937.03
  4. Step 4: Simplify right side
    462,815.01x = 222,571,258,474.78
  5. Step 5: Solve for x
    x = 222,571,258,474.78/462,815.01
  6. Step 6: Final answer
    x = 480,907.61

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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.