Home / 945,807.60-1,416,378.60-628,546.80

Finding the Fourth Proportional to 945,807.60, 1,416,378.60 and 628,546.80

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Solution

The fourth proportional to 945,807.60, 1,416,378.60 and 628,546.80 is: 941,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,807.60 : 1,416,378.60 = 628,546.80 : x
  2. Step 2: Convert to fraction form
    945,807.60/1,416,378.60 = 628,546.80/x
  3. Step 3: Cross multiply
    945,807.60x = 1,416,378.60 × 628,546.80
  4. Step 4: Simplify right side
    945,807.60x = 890,260,236,618.48
  5. Step 5: Solve for x
    x = 890,260,236,618.48/945,807.60
  6. Step 6: Final answer
    x = 941,269.91

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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.