Home / 1,435,942.80-2,153,936.68-425,167.30

Finding the Fourth Proportional to 1,435,942.80, 2,153,936.68 and 425,167.30

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Solution

The fourth proportional to 1,435,942.80, 2,153,936.68 and 425,167.30 is: 637,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,942.80 : 2,153,936.68 = 425,167.30 : x
  2. Step 2: Convert to fraction form
    1,435,942.80/2,153,936.68 = 425,167.30/x
  3. Step 3: Cross multiply
    1,435,942.80x = 2,153,936.68 × 425,167.30
  4. Step 4: Simplify right side
    1,435,942.80x = 915,783,442,606.56
  5. Step 5: Solve for x
    x = 915,783,442,606.56/1,435,942.80
  6. Step 6: Final answer
    x = 637,757.61

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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.