Home / 1,192,219.12-1,789,116.54-561,313.36

Finding the Fourth Proportional to 1,192,219.12, 1,789,116.54 and 561,313.36

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Solution

The fourth proportional to 1,192,219.12, 1,789,116.54 and 561,313.36 is: 842,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,219.12 : 1,789,116.54 = 561,313.36 : x
  2. Step 2: Convert to fraction form
    1,192,219.12/1,789,116.54 = 561,313.36/x
  3. Step 3: Cross multiply
    1,192,219.12x = 1,789,116.54 × 561,313.36
  4. Step 4: Simplify right side
    1,192,219.12x = 1,004,255,016,498.97
  5. Step 5: Solve for x
    x = 1,004,255,016,498.97/1,192,219.12
  6. Step 6: Final answer
    x = 842,340.98

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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.