Home / 1,812,800.45-2,720,398.60-853,530.38

Finding the Fourth Proportional to 1,812,800.45, 2,720,398.60 and 853,530.38

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Solution

The fourth proportional to 1,812,800.45, 2,720,398.60 and 853,530.38 is: 1,280,859.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,800.45 : 2,720,398.60 = 853,530.38 : x
  2. Step 2: Convert to fraction form
    1,812,800.45/2,720,398.60 = 853,530.38/x
  3. Step 3: Cross multiply
    1,812,800.45x = 2,720,398.60 × 853,530.38
  4. Step 4: Simplify right side
    1,812,800.45x = 2,321,942,848,475.88
  5. Step 5: Solve for x
    x = 2,321,942,848,475.88/1,812,800.45
  6. Step 6: Final answer
    x = 1,280,859.59

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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.