Home / 641,627.20-962,440.80-582,578.20

Finding the Fourth Proportional to 641,627.20, 962,440.80 and 582,578.20

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Solution

The fourth proportional to 641,627.20, 962,440.80 and 582,578.20 is: 873,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,627.20 : 962,440.80 = 582,578.20 : x
  2. Step 2: Convert to fraction form
    641,627.20/962,440.80 = 582,578.20/x
  3. Step 3: Cross multiply
    641,627.20x = 962,440.80 × 582,578.20
  4. Step 4: Simplify right side
    641,627.20x = 560,697,028,870.56
  5. Step 5: Solve for x
    x = 560,697,028,870.56/641,627.20
  6. Step 6: Final answer
    x = 873,867.30

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Double scale
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Similar ratio
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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.