Home / 1,010,508.64-1,394,511.60-557,789.92

Finding the Fourth Proportional to 1,010,508.64, 1,394,511.60 and 557,789.92

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Solution

The fourth proportional to 1,010,508.64, 1,394,511.60 and 557,789.92 is: 769,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,508.64 : 1,394,511.60 = 557,789.92 : x
  2. Step 2: Convert to fraction form
    1,010,508.64/1,394,511.60 = 557,789.92/x
  3. Step 3: Cross multiply
    1,010,508.64x = 1,394,511.60 × 557,789.92
  4. Step 4: Simplify right side
    1,010,508.64x = 777,844,513,803.07
  5. Step 5: Solve for x
    x = 777,844,513,803.07/1,010,508.64
  6. Step 6: Final answer
    x = 769,755.43

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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.