Home / 1,603,383.28-2,212,669.87-878,243.11

Finding the Fourth Proportional to 1,603,383.28, 2,212,669.87 and 878,243.11

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Solution

The fourth proportional to 1,603,383.28, 2,212,669.87 and 878,243.11 is: 1,211,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,383.28 : 2,212,669.87 = 878,243.11 : x
  2. Step 2: Convert to fraction form
    1,603,383.28/2,212,669.87 = 878,243.11/x
  3. Step 3: Cross multiply
    1,603,383.28x = 2,212,669.87 × 878,243.11
  4. Step 4: Simplify right side
    1,603,383.28x = 1,943,262,060,304.81
  5. Step 5: Solve for x
    x = 1,943,262,060,304.81/1,603,383.28
  6. Step 6: Final answer
    x = 1,211,976.01

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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.