Home / 862,194.33-1,189,416.11-669,891.69

Finding the Fourth Proportional to 862,194.33, 1,189,416.11 and 669,891.69

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Solution

The fourth proportional to 862,194.33, 1,189,416.11 and 669,891.69 is: 924,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,194.33 : 1,189,416.11 = 669,891.69 : x
  2. Step 2: Convert to fraction form
    862,194.33/1,189,416.11 = 669,891.69/x
  3. Step 3: Cross multiply
    862,194.33x = 1,189,416.11 × 669,891.69
  4. Step 4: Simplify right side
    862,194.33x = 796,779,964,691.67
  5. Step 5: Solve for x
    x = 796,779,964,691.67/862,194.33
  6. Step 6: Final answer
    x = 924,130.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.