Home / 1,203,961.83-1,661,535.20-714,221.30

Finding the Fourth Proportional to 1,203,961.83, 1,661,535.20 and 714,221.30

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Solution

The fourth proportional to 1,203,961.83, 1,661,535.20 and 714,221.30 is: 985,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,961.83 : 1,661,535.20 = 714,221.30 : x
  2. Step 2: Convert to fraction form
    1,203,961.83/1,661,535.20 = 714,221.30/x
  3. Step 3: Cross multiply
    1,203,961.83x = 1,661,535.20 × 714,221.30
  4. Step 4: Simplify right side
    1,203,961.83x = 1,186,703,823,115.52
  5. Step 5: Solve for x
    x = 1,186,703,823,115.52/1,203,961.83
  6. Step 6: Final answer
    x = 985,665.66

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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.