Home / 1,010,592.72-1,394,609.40-557,874

Finding the Fourth Proportional to 1,010,592.72, 1,394,609.40 and 557,874

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Solution

The fourth proportional to 1,010,592.72, 1,394,609.40 and 557,874 is: 769,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,592.72 : 1,394,609.40 = 557,874 : x
  2. Step 2: Convert to fraction form
    1,010,592.72/1,394,609.40 = 557,874/x
  3. Step 3: Cross multiply
    1,010,592.72x = 1,394,609.40 × 557,874
  4. Step 4: Simplify right side
    1,010,592.72x = 778,016,324,415.60
  5. Step 5: Solve for x
    x = 778,016,324,415.60/1,010,592.72
  6. Step 6: Final answer
    x = 769,861.40

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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.