Home / 1,203,982.11-1,661,486.51-660,108.94

Finding the Fourth Proportional to 1,203,982.11, 1,661,486.51 and 660,108.94

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Solution

The fourth proportional to 1,203,982.11, 1,661,486.51 and 660,108.94 is: 910,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,982.11 : 1,661,486.51 = 660,108.94 : x
  2. Step 2: Convert to fraction form
    1,203,982.11/1,661,486.51 = 660,108.94/x
  3. Step 3: Cross multiply
    1,203,982.11x = 1,661,486.51 × 660,108.94
  4. Step 4: Simplify right side
    1,203,982.11x = 1,096,762,096,436.96
  5. Step 5: Solve for x
    x = 1,096,762,096,436.96/1,203,982.11
  6. Step 6: Final answer
    x = 910,945.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.