Home / 1,096,145.90-1,642,663.65-809,600.30

Finding the Fourth Proportional to 1,096,145.90, 1,642,663.65 and 809,600.30

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Solution

The fourth proportional to 1,096,145.90, 1,642,663.65 and 809,600.30 is: 1,213,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,145.90 : 1,642,663.65 = 809,600.30 : x
  2. Step 2: Convert to fraction form
    1,096,145.90/1,642,663.65 = 809,600.30/x
  3. Step 3: Cross multiply
    1,096,145.90x = 1,642,663.65 × 809,600.30
  4. Step 4: Simplify right side
    1,096,145.90x = 1,329,900,983,839.10
  5. Step 5: Solve for x
    x = 1,329,900,983,839.10/1,096,145.90
  6. Step 6: Final answer
    x = 1,213,251.80

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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.