Home / 1,236,046.12-1,853,628.54-561,562.36

Finding the Fourth Proportional to 1,236,046.12, 1,853,628.54 and 561,562.36

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Solution

The fourth proportional to 1,236,046.12, 1,853,628.54 and 561,562.36 is: 842,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,046.12 : 1,853,628.54 = 561,562.36 : x
  2. Step 2: Convert to fraction form
    1,236,046.12/1,853,628.54 = 561,562.36/x
  3. Step 3: Cross multiply
    1,236,046.12x = 1,853,628.54 × 561,562.36
  4. Step 4: Simplify right side
    1,236,046.12x = 1,040,928,017,485.75
  5. Step 5: Solve for x
    x = 1,040,928,017,485.75/1,236,046.12
  6. Step 6: Final answer
    x = 842,143.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.