Home / 1,236,939.66-1,852,259.40-814,936.14

Finding the Fourth Proportional to 1,236,939.66, 1,852,259.40 and 814,936.14

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Solution

The fourth proportional to 1,236,939.66, 1,852,259.40 and 814,936.14 is: 1,220,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,939.66 : 1,852,259.40 = 814,936.14 : x
  2. Step 2: Convert to fraction form
    1,236,939.66/1,852,259.40 = 814,936.14/x
  3. Step 3: Cross multiply
    1,236,939.66x = 1,852,259.40 × 814,936.14
  4. Step 4: Simplify right side
    1,236,939.66x = 1,509,473,125,714.72
  5. Step 5: Solve for x
    x = 1,509,473,125,714.72/1,236,939.66
  6. Step 6: Final answer
    x = 1,220,328.83

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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.