Home / 641,628.20-962,442.30-582,579.20

Finding the Fourth Proportional to 641,628.20, 962,442.30 and 582,579.20

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Solution

The fourth proportional to 641,628.20, 962,442.30 and 582,579.20 is: 873,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,628.20 : 962,442.30 = 582,579.20 : x
  2. Step 2: Convert to fraction form
    641,628.20/962,442.30 = 582,579.20/x
  3. Step 3: Cross multiply
    641,628.20x = 962,442.30 × 582,579.20
  4. Step 4: Simplify right side
    641,628.20x = 560,698,865,180.16
  5. Step 5: Solve for x
    x = 560,698,865,180.16/641,628.20
  6. Step 6: Final answer
    x = 873,868.80

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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.