Home / 1,009,935.58-1,394,216.14-628,085.38

Finding the Fourth Proportional to 1,009,935.58, 1,394,216.14 and 628,085.38

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Solution

The fourth proportional to 1,009,935.58, 1,394,216.14 and 628,085.38 is: 867,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,935.58 : 1,394,216.14 = 628,085.38 : x
  2. Step 2: Convert to fraction form
    1,009,935.58/1,394,216.14 = 628,085.38/x
  3. Step 3: Cross multiply
    1,009,935.58x = 1,394,216.14 × 628,085.38
  4. Step 4: Simplify right side
    1,009,935.58x = 875,686,767,122.95
  5. Step 5: Solve for x
    x = 875,686,767,122.95/1,009,935.58
  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.