Home / 919,910.20-1,379,865.30-601,045.60

Finding the Fourth Proportional to 919,910.20, 1,379,865.30 and 601,045.60

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Solution

The fourth proportional to 919,910.20, 1,379,865.30 and 601,045.60 is: 901,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,910.20 : 1,379,865.30 = 601,045.60 : x
  2. Step 2: Convert to fraction form
    919,910.20/1,379,865.30 = 601,045.60/x
  3. Step 3: Cross multiply
    919,910.20x = 1,379,865.30 × 601,045.60
  4. Step 4: Simplify right side
    919,910.20x = 829,361,967,157.68
  5. Step 5: Solve for x
    x = 829,361,967,157.68/919,910.20
  6. Step 6: Final answer
    x = 901,568.40

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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.