Home / 4,479,428.75-6,719,167.83-1,113,635.75

Finding the Fourth Proportional to 4,479,428.75, 6,719,167.83 and 1,113,635.75

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Solution

The fourth proportional to 4,479,428.75, 6,719,167.83 and 1,113,635.75 is: 1,670,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479,428.75 : 6,719,167.83 = 1,113,635.75 : x
  2. Step 2: Convert to fraction form
    4,479,428.75/6,719,167.83 = 1,113,635.75/x
  3. Step 3: Cross multiply
    4,479,428.75x = 6,719,167.83 × 1,113,635.75
  4. Step 4: Simplify right side
    4,479,428.75x = 7,482,705,505,737.92
  5. Step 5: Solve for x
    x = 7,482,705,505,737.92/4,479,428.75
  6. Step 6: Final answer
    x = 1,670,459.77

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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.