Home / 494,384.22-682,222.14-279,533.34

Finding the Fourth Proportional to 494,384.22, 682,222.14 and 279,533.34

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Solution

The fourth proportional to 494,384.22, 682,222.14 and 279,533.34 is: 385,740.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,384.22 : 682,222.14 = 279,533.34 : x
  2. Step 2: Convert to fraction form
    494,384.22/682,222.14 = 279,533.34/x
  3. Step 3: Cross multiply
    494,384.22x = 682,222.14 × 279,533.34
  4. Step 4: Simplify right side
    494,384.22x = 190,703,833,416.15
  5. Step 5: Solve for x
    x = 190,703,833,416.15/494,384.22
  6. Step 6: Final answer
    x = 385,740.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.