Home / 460,422.44-690,311.98-204,115.60

Finding the Fourth Proportional to 460,422.44, 690,311.98 and 204,115.60

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Solution

The fourth proportional to 460,422.44, 690,311.98 and 204,115.60 is: 306,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,422.44 : 690,311.98 = 204,115.60 : x
  2. Step 2: Convert to fraction form
    460,422.44/690,311.98 = 204,115.60/x
  3. Step 3: Cross multiply
    460,422.44x = 690,311.98 × 204,115.60
  4. Step 4: Simplify right side
    460,422.44x = 140,903,443,984.89
  5. Step 5: Solve for x
    x = 140,903,443,984.89/460,422.44
  6. Step 6: Final answer
    x = 306,030.79

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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.