Home / 1,206,301.27-1,663,289.37-899,845.66

Finding the Fourth Proportional to 1,206,301.27, 1,663,289.37 and 899,845.66

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Solution

The fourth proportional to 1,206,301.27, 1,663,289.37 and 899,845.66 is: 1,240,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,301.27 : 1,663,289.37 = 899,845.66 : x
  2. Step 2: Convert to fraction form
    1,206,301.27/1,663,289.37 = 899,845.66/x
  3. Step 3: Cross multiply
    1,206,301.27x = 1,663,289.37 × 899,845.66
  4. Step 4: Simplify right side
    1,206,301.27x = 1,496,703,720,918.63
  5. Step 5: Solve for x
    x = 1,496,703,720,918.63/1,206,301.27
  6. Step 6: Final answer
    x = 1,240,737.91

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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.