Home / 1,126,093.57-1,689,139.90-452,174.66

Finding the Fourth Proportional to 1,126,093.57, 1,689,139.90 and 452,174.66

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Solution

The fourth proportional to 1,126,093.57, 1,689,139.90 and 452,174.66 is: 678,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,093.57 : 1,689,139.90 = 452,174.66 : x
  2. Step 2: Convert to fraction form
    1,126,093.57/1,689,139.90 = 452,174.66/x
  3. Step 3: Cross multiply
    1,126,093.57x = 1,689,139.90 × 452,174.66
  4. Step 4: Simplify right side
    1,126,093.57x = 763,786,259,974.93
  5. Step 5: Solve for x
    x = 763,786,259,974.93/1,126,093.57
  6. Step 6: Final answer
    x = 678,261.81

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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.