Home / 1,227,775.68-1,693,519.20-768,092.64

Finding the Fourth Proportional to 1,227,775.68, 1,693,519.20 and 768,092.64

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Solution

The fourth proportional to 1,227,775.68, 1,693,519.20 and 768,092.64 is: 1,059,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,775.68 : 1,693,519.20 = 768,092.64 : x
  2. Step 2: Convert to fraction form
    1,227,775.68/1,693,519.20 = 768,092.64/x
  3. Step 3: Cross multiply
    1,227,775.68x = 1,693,519.20 × 768,092.64
  4. Step 4: Simplify right side
    1,227,775.68x = 1,300,779,633,218.69
  5. Step 5: Solve for x
    x = 1,300,779,633,218.69/1,227,775.68
  6. Step 6: Final answer
    x = 1,059,460.33

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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.