Home / 1,667,604.52-2,501,372.22-405,438.76

Finding the Fourth Proportional to 1,667,604.52, 2,501,372.22 and 405,438.76

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Solution

The fourth proportional to 1,667,604.52, 2,501,372.22 and 405,438.76 is: 608,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,604.52 : 2,501,372.22 = 405,438.76 : x
  2. Step 2: Convert to fraction form
    1,667,604.52/2,501,372.22 = 405,438.76/x
  3. Step 3: Cross multiply
    1,667,604.52x = 2,501,372.22 × 405,438.76
  4. Step 4: Simplify right side
    1,667,604.52x = 1,014,153,251,175.25
  5. Step 5: Solve for x
    x = 1,014,153,251,175.25/1,667,604.52
  6. Step 6: Final answer
    x = 608,149.74

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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.