Home / 691,174.51-1,036,606.24-247,942.51

Finding the Fourth Proportional to 691,174.51, 1,036,606.24 and 247,942.51

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Solution

The fourth proportional to 691,174.51, 1,036,606.24 and 247,942.51 is: 371,857.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,174.51 : 1,036,606.24 = 247,942.51 : x
  2. Step 2: Convert to fraction form
    691,174.51/1,036,606.24 = 247,942.51/x
  3. Step 3: Cross multiply
    691,174.51x = 1,036,606.24 × 247,942.51
  4. Step 4: Simplify right side
    691,174.51x = 257,018,753,027.26
  5. Step 5: Solve for x
    x = 257,018,753,027.26/691,174.51
  6. Step 6: Final answer
    x = 371,857.97

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1.5x scale

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.