Home / 1,217,474.72-1,826,461.14-418,652.48

Finding the Fourth Proportional to 1,217,474.72, 1,826,461.14 and 418,652.48

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Solution

The fourth proportional to 1,217,474.72, 1,826,461.14 and 418,652.48 is: 628,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,474.72 : 1,826,461.14 = 418,652.48 : x
  2. Step 2: Convert to fraction form
    1,217,474.72/1,826,461.14 = 418,652.48/x
  3. Step 3: Cross multiply
    1,217,474.72x = 1,826,461.14 × 418,652.48
  4. Step 4: Simplify right side
    1,217,474.72x = 764,652,485,884.63
  5. Step 5: Solve for x
    x = 764,652,485,884.63/1,217,474.72
  6. Step 6: Final answer
    x = 628,064.36

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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.