Home / 1,227,609.66-1,694,034-676,217.28

Finding the Fourth Proportional to 1,227,609.66, 1,694,034 and 676,217.28

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Solution

The fourth proportional to 1,227,609.66, 1,694,034 and 676,217.28 is: 933,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,609.66 : 1,694,034 = 676,217.28 : x
  2. Step 2: Convert to fraction form
    1,227,609.66/1,694,034 = 676,217.28/x
  3. Step 3: Cross multiply
    1,227,609.66x = 1,694,034 × 676,217.28
  4. Step 4: Simplify right side
    1,227,609.66x = 1,145,535,063,707.52
  5. Step 5: Solve for x
    x = 1,145,535,063,707.52/1,227,609.66
  6. Step 6: Final answer
    x = 933,142.76

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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.