Home / 4,745,079.28-7,117,815.75-1,379,286.28

Finding the Fourth Proportional to 4,745,079.28, 7,117,815.75 and 1,379,286.28

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Solution

The fourth proportional to 4,745,079.28, 7,117,815.75 and 1,379,286.28 is: 2,068,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745,079.28 : 7,117,815.75 = 1,379,286.28 : x
  2. Step 2: Convert to fraction form
    4,745,079.28/7,117,815.75 = 1,379,286.28/x
  3. Step 3: Cross multiply
    4,745,079.28x = 7,117,815.75 × 1,379,286.28
  4. Step 4: Simplify right side
    4,745,079.28x = 9,817,505,607,542.91
  5. Step 5: Solve for x
    x = 9,817,505,607,542.91/4,745,079.28
  6. Step 6: Final answer
    x = 2,068,986.63

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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.