Home / 1,434,645.73-1,979,216.80-853,752.43

Finding the Fourth Proportional to 1,434,645.73, 1,979,216.80 and 853,752.43

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Solution

The fourth proportional to 1,434,645.73, 1,979,216.80 and 853,752.43 is: 1,177,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,645.73 : 1,979,216.80 = 853,752.43 : x
  2. Step 2: Convert to fraction form
    1,434,645.73/1,979,216.80 = 853,752.43/x
  3. Step 3: Cross multiply
    1,434,645.73x = 1,979,216.80 × 853,752.43
  4. Step 4: Simplify right side
    1,434,645.73x = 1,689,761,152,496.82
  5. Step 5: Solve for x
    x = 1,689,761,152,496.82/1,434,645.73
  6. Step 6: Final answer
    x = 1,177,824.68

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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.