Home / 917,898.38-1,376,089.41-405,198.44

Finding the Fourth Proportional to 917,898.38, 1,376,089.41 and 405,198.44

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Solution

The fourth proportional to 917,898.38, 1,376,089.41 and 405,198.44 is: 607,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,898.38 : 1,376,089.41 = 405,198.44 : x
  2. Step 2: Convert to fraction form
    917,898.38/1,376,089.41 = 405,198.44/x
  3. Step 3: Cross multiply
    917,898.38x = 1,376,089.41 × 405,198.44
  4. Step 4: Simplify right side
    917,898.38x = 557,589,282,232.52
  5. Step 5: Solve for x
    x = 557,589,282,232.52/917,898.38
  6. Step 6: Final answer
    x = 607,462.98

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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.