Home / 693,958.32-957,650.04-392,145.84

Finding the Fourth Proportional to 693,958.32, 957,650.04 and 392,145.84

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Solution

The fourth proportional to 693,958.32, 957,650.04 and 392,145.84 is: 541,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,958.32 : 957,650.04 = 392,145.84 : x
  2. Step 2: Convert to fraction form
    693,958.32/957,650.04 = 392,145.84/x
  3. Step 3: Cross multiply
    693,958.32x = 957,650.04 × 392,145.84
  4. Step 4: Simplify right side
    693,958.32x = 375,538,479,361.83
  5. Step 5: Solve for x
    x = 375,538,479,361.83/693,958.32
  6. Step 6: Final answer
    x = 541,154.23

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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.