Home / 979,721.11-1,352,162.73-597,969.73

Finding the Fourth Proportional to 979,721.11, 1,352,162.73 and 597,969.73

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Solution

The fourth proportional to 979,721.11, 1,352,162.73 and 597,969.73 is: 825,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,721.11 : 1,352,162.73 = 597,969.73 : x
  2. Step 2: Convert to fraction form
    979,721.11/1,352,162.73 = 597,969.73/x
  3. Step 3: Cross multiply
    979,721.11x = 1,352,162.73 × 597,969.73
  4. Step 4: Simplify right side
    979,721.11x = 808,552,382,574.16
  5. Step 5: Solve for x
    x = 808,552,382,574.16/979,721.11
  6. Step 6: Final answer
    x = 825,288.31

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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.