Home / 1,185,203.40-1,635,599.30-668,983.88

Finding the Fourth Proportional to 1,185,203.40, 1,635,599.30 and 668,983.88

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Solution

The fourth proportional to 1,185,203.40, 1,635,599.30 and 668,983.88 is: 923,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,203.40 : 1,635,599.30 = 668,983.88 : x
  2. Step 2: Convert to fraction form
    1,185,203.40/1,635,599.30 = 668,983.88/x
  3. Step 3: Cross multiply
    1,185,203.40x = 1,635,599.30 × 668,983.88
  4. Step 4: Simplify right side
    1,185,203.40x = 1,094,189,565,839.28
  5. Step 5: Solve for x
    x = 1,094,189,565,839.28/1,185,203.40
  6. Step 6: Final answer
    x = 923,208.26

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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.