Home / 1,272,403.73-1,755,872.58-699,439.79

Finding the Fourth Proportional to 1,272,403.73, 1,755,872.58 and 699,439.79

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Solution

The fourth proportional to 1,272,403.73, 1,755,872.58 and 699,439.79 is: 965,202.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,403.73 : 1,755,872.58 = 699,439.79 : x
  2. Step 2: Convert to fraction form
    1,272,403.73/1,755,872.58 = 699,439.79/x
  3. Step 3: Cross multiply
    1,272,403.73x = 1,755,872.58 × 699,439.79
  4. Step 4: Simplify right side
    1,272,403.73x = 1,228,127,139,842.60
  5. Step 5: Solve for x
    x = 1,228,127,139,842.60/1,272,403.73
  6. Step 6: Final answer
    x = 965,202.41

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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.