Home / 1,228,623.16-1,843,185.30-696,381.88

Finding the Fourth Proportional to 1,228,623.16, 1,843,185.30 and 696,381.88

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Solution

The fourth proportional to 1,228,623.16, 1,843,185.30 and 696,381.88 is: 1,044,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,623.16 : 1,843,185.30 = 696,381.88 : x
  2. Step 2: Convert to fraction form
    1,228,623.16/1,843,185.30 = 696,381.88/x
  3. Step 3: Cross multiply
    1,228,623.16x = 1,843,185.30 × 696,381.88
  4. Step 4: Simplify right side
    1,228,623.16x = 1,283,560,844,402.36
  5. Step 5: Solve for x
    x = 1,283,560,844,402.36/1,228,623.16
  6. Step 6: Final answer
    x = 1,044,714.84

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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.