Home / 1,222,853.44-1,687,541-678,990.24

Finding the Fourth Proportional to 1,222,853.44, 1,687,541 and 678,990.24

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Solution

The fourth proportional to 1,222,853.44, 1,687,541 and 678,990.24 is: 937,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,853.44 : 1,687,541 = 678,990.24 : x
  2. Step 2: Convert to fraction form
    1,222,853.44/1,687,541 = 678,990.24/x
  3. Step 3: Cross multiply
    1,222,853.44x = 1,687,541 × 678,990.24
  4. Step 4: Simplify right side
    1,222,853.44x = 1,145,823,868,599.84
  5. Step 5: Solve for x
    x = 1,145,823,868,599.84/1,222,853.44
  6. Step 6: Final answer
    x = 937,008.34

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Double scale
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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.