Home / 1,096,117.40-1,642,620.90-809,571.80

Finding the Fourth Proportional to 1,096,117.40, 1,642,620.90 and 809,571.80

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Solution

The fourth proportional to 1,096,117.40, 1,642,620.90 and 809,571.80 is: 1,213,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,117.40 : 1,642,620.90 = 809,571.80 : x
  2. Step 2: Convert to fraction form
    1,096,117.40/1,642,620.90 = 809,571.80/x
  3. Step 3: Cross multiply
    1,096,117.40x = 1,642,620.90 × 809,571.80
  4. Step 4: Simplify right side
    1,096,117.40x = 1,329,819,558,730.62
  5. Step 5: Solve for x
    x = 1,329,819,558,730.62/1,096,117.40
  6. Step 6: Final answer
    x = 1,213,209.06

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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.