Home / 1,009,935.57-1,394,216.14-628,085.37

Finding the Fourth Proportional to 1,009,935.57, 1,394,216.14 and 628,085.37

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Solution

The fourth proportional to 1,009,935.57, 1,394,216.14 and 628,085.37 is: 867,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,935.57 : 1,394,216.14 = 628,085.37 : x
  2. Step 2: Convert to fraction form
    1,009,935.57/1,394,216.14 = 628,085.37/x
  3. Step 3: Cross multiply
    1,009,935.57x = 1,394,216.14 × 628,085.37
  4. Step 4: Simplify right side
    1,009,935.57x = 875,686,760,151.87
  5. Step 5: Solve for x
    x = 875,686,760,151.87/1,009,935.57
  6. Step 6: Final answer
    x = 867,071.91

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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.