Home / 794,359.60-1,192,049.70-439,628.20

Finding the Fourth Proportional to 794,359.60, 1,192,049.70 and 439,628.20

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Solution

The fourth proportional to 794,359.60, 1,192,049.70 and 439,628.20 is: 659,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,359.60 : 1,192,049.70 = 439,628.20 : x
  2. Step 2: Convert to fraction form
    794,359.60/1,192,049.70 = 439,628.20/x
  3. Step 3: Cross multiply
    794,359.60x = 1,192,049.70 × 439,628.20
  4. Step 4: Simplify right side
    794,359.60x = 524,058,663,921.54
  5. Step 5: Solve for x
    x = 524,058,663,921.54/794,359.60
  6. Step 6: Final answer
    x = 659,724.72

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1.5x scale

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.