Home / 863,693.12-1,191,896.61-481,719.89

Finding the Fourth Proportional to 863,693.12, 1,191,896.61 and 481,719.89

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Solution

The fourth proportional to 863,693.12, 1,191,896.61 and 481,719.89 is: 664,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,693.12 : 1,191,896.61 = 481,719.89 : x
  2. Step 2: Convert to fraction form
    863,693.12/1,191,896.61 = 481,719.89/x
  3. Step 3: Cross multiply
    863,693.12x = 1,191,896.61 × 481,719.89
  4. Step 4: Simplify right side
    863,693.12x = 574,160,297,901.09
  5. Step 5: Solve for x
    x = 574,160,297,901.09/863,693.12
  6. Step 6: Final answer
    x = 664,773.50

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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.