Home / 1,185,202.40-1,635,597.92-668,982.88

Finding the Fourth Proportional to 1,185,202.40, 1,635,597.92 and 668,982.88

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Solution

The fourth proportional to 1,185,202.40, 1,635,597.92 and 668,982.88 is: 923,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,202.40 : 1,635,597.92 = 668,982.88 : x
  2. Step 2: Convert to fraction form
    1,185,202.40/1,635,597.92 = 668,982.88/x
  3. Step 3: Cross multiply
    1,185,202.40x = 1,635,597.92 × 668,982.88
  4. Step 4: Simplify right side
    1,185,202.40x = 1,094,187,007,043.61
  5. Step 5: Solve for x
    x = 1,094,187,007,043.61/1,185,202.40
  6. Step 6: Final answer
    x = 923,206.88

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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.