Home / 1,187,829.69-1,775,219.94-868,651.62

Finding the Fourth Proportional to 1,187,829.69, 1,775,219.94 and 868,651.62

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Solution

The fourth proportional to 1,187,829.69, 1,775,219.94 and 868,651.62 is: 1,298,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,829.69 : 1,775,219.94 = 868,651.62 : x
  2. Step 2: Convert to fraction form
    1,187,829.69/1,775,219.94 = 868,651.62/x
  3. Step 3: Cross multiply
    1,187,829.69x = 1,775,219.94 × 868,651.62
  4. Step 4: Simplify right side
    1,187,829.69x = 1,542,047,676,737.30
  5. Step 5: Solve for x
    x = 1,542,047,676,737.30/1,187,829.69
  6. Step 6: Final answer
    x = 1,298,206.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.