Home / 831,676.01-1,147,712.09-449,701.88

Finding the Fourth Proportional to 831,676.01, 1,147,712.09 and 449,701.88

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Solution

The fourth proportional to 831,676.01, 1,147,712.09 and 449,701.88 is: 620,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,676.01 : 1,147,712.09 = 449,701.88 : x
  2. Step 2: Convert to fraction form
    831,676.01/1,147,712.09 = 449,701.88/x
  3. Step 3: Cross multiply
    831,676.01x = 1,147,712.09 × 449,701.88
  4. Step 4: Simplify right side
    831,676.01x = 516,128,276,584.66
  5. Step 5: Solve for x
    x = 516,128,276,584.66/831,676.01
  6. Step 6: Final answer
    x = 620,588.15

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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.