Home / 677,838.28-935,496.68-376,051.72

Finding the Fourth Proportional to 677,838.28, 935,496.68 and 376,051.72

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Solution

The fourth proportional to 677,838.28, 935,496.68 and 376,051.72 is: 518,995.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,838.28 : 935,496.68 = 376,051.72 : x
  2. Step 2: Convert to fraction form
    677,838.28/935,496.68 = 376,051.72/x
  3. Step 3: Cross multiply
    677,838.28x = 935,496.68 × 376,051.72
  4. Step 4: Simplify right side
    677,838.28x = 351,795,135,568.29
  5. Step 5: Solve for x
    x = 351,795,135,568.29/677,838.28
  6. Step 6: Final answer
    x = 518,995.67

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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.