Home / 1,227,093.12-1,693,267.20-717,696

Finding the Fourth Proportional to 1,227,093.12, 1,693,267.20 and 717,696

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Solution

The fourth proportional to 1,227,093.12, 1,693,267.20 and 717,696 is: 990,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,093.12 : 1,693,267.20 = 717,696 : x
  2. Step 2: Convert to fraction form
    1,227,093.12/1,693,267.20 = 717,696/x
  3. Step 3: Cross multiply
    1,227,093.12x = 1,693,267.20 × 717,696
  4. Step 4: Simplify right side
    1,227,093.12x = 1,215,251,096,371.20
  5. Step 5: Solve for x
    x = 1,215,251,096,371.20/1,227,093.12
  6. Step 6: Final answer
    x = 990,349.53

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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.