Home / 792,789.12-1,189,391.04-460,080

Finding the Fourth Proportional to 792,789.12, 1,189,391.04 and 460,080

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Solution

The fourth proportional to 792,789.12, 1,189,391.04 and 460,080 is: 690,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,789.12 : 1,189,391.04 = 460,080 : x
  2. Step 2: Convert to fraction form
    792,789.12/1,189,391.04 = 460,080/x
  3. Step 3: Cross multiply
    792,789.12x = 1,189,391.04 × 460,080
  4. Step 4: Simplify right side
    792,789.12x = 547,215,029,683.20
  5. Step 5: Solve for x
    x = 547,215,029,683.20/792,789.12
  6. Step 6: Final answer
    x = 690,240.34

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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.