Home / 1,203,520.18-1,660,854.43-659,654.29

Finding the Fourth Proportional to 1,203,520.18, 1,660,854.43 and 659,654.29

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Solution

The fourth proportional to 1,203,520.18, 1,660,854.43 and 659,654.29 is: 910,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,520.18 : 1,660,854.43 = 659,654.29 : x
  2. Step 2: Convert to fraction form
    1,203,520.18/1,660,854.43 = 659,654.29/x
  3. Step 3: Cross multiply
    1,203,520.18x = 1,660,854.43 × 659,654.29
  4. Step 4: Simplify right side
    1,203,520.18x = 1,095,589,749,815.00
  5. Step 5: Solve for x
    x = 1,095,589,749,815.00/1,203,520.18
  6. Step 6: Final answer
    x = 910,321.05

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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.