Home / 1,255,164.64-1,732,127.46-682,204.90

Finding the Fourth Proportional to 1,255,164.64, 1,732,127.46 and 682,204.90

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Solution

The fourth proportional to 1,255,164.64, 1,732,127.46 and 682,204.90 is: 941,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,164.64 : 1,732,127.46 = 682,204.90 : x
  2. Step 2: Convert to fraction form
    1,255,164.64/1,732,127.46 = 682,204.90/x
  3. Step 3: Cross multiply
    1,255,164.64x = 1,732,127.46 × 682,204.90
  4. Step 4: Simplify right side
    1,255,164.64x = 1,181,665,840,636.55
  5. Step 5: Solve for x
    x = 1,181,665,840,636.55/1,255,164.64
  6. Step 6: Final answer
    x = 941,442.90

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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.