Home / 846,995.88-1,269,372.33-621,299.64

Finding the Fourth Proportional to 846,995.88, 1,269,372.33 and 621,299.64

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Solution

The fourth proportional to 846,995.88, 1,269,372.33 and 621,299.64 is: 931,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,995.88 : 1,269,372.33 = 621,299.64 : x
  2. Step 2: Convert to fraction form
    846,995.88/1,269,372.33 = 621,299.64/x
  3. Step 3: Cross multiply
    846,995.88x = 1,269,372.33 × 621,299.64
  4. Step 4: Simplify right side
    846,995.88x = 788,660,571,654.96
  5. Step 5: Solve for x
    x = 788,660,571,654.96/846,995.88
  6. Step 6: Final answer
    x = 931,126.81

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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.