Home / 439,312.37-658,983.07-151,121.12

Finding the Fourth Proportional to 439,312.37, 658,983.07 and 151,121.12

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Solution

The fourth proportional to 439,312.37, 658,983.07 and 151,121.12 is: 226,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,312.37 : 658,983.07 = 151,121.12 : x
  2. Step 2: Convert to fraction form
    439,312.37/658,983.07 = 151,121.12/x
  3. Step 3: Cross multiply
    439,312.37x = 658,983.07 × 151,121.12
  4. Step 4: Simplify right side
    439,312.37x = 99,586,259,599.44
  5. Step 5: Solve for x
    x = 99,586,259,599.44/439,312.37
  6. Step 6: Final answer
    x = 226,686.67

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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.