Home / 1,192,434.20-1,645,511.48-648,570.36

Finding the Fourth Proportional to 1,192,434.20, 1,645,511.48 and 648,570.36

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Solution

The fourth proportional to 1,192,434.20, 1,645,511.48 and 648,570.36 is: 895,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,434.20 : 1,645,511.48 = 648,570.36 : x
  2. Step 2: Convert to fraction form
    1,192,434.20/1,645,511.48 = 648,570.36/x
  3. Step 3: Cross multiply
    1,192,434.20x = 1,645,511.48 × 648,570.36
  4. Step 4: Simplify right side
    1,192,434.20x = 1,067,229,972,967.73
  5. Step 5: Solve for x
    x = 1,067,229,972,967.73/1,192,434.20
  6. Step 6: Final answer
    x = 895,001.14

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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.