Home / 1,259,531.20-1,738,087.30-715,591.44

Finding the Fourth Proportional to 1,259,531.20, 1,738,087.30 and 715,591.44

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Solution

The fourth proportional to 1,259,531.20, 1,738,087.30 and 715,591.44 is: 987,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,531.20 : 1,738,087.30 = 715,591.44 : x
  2. Step 2: Convert to fraction form
    1,259,531.20/1,738,087.30 = 715,591.44/x
  3. Step 3: Cross multiply
    1,259,531.20x = 1,738,087.30 × 715,591.44
  4. Step 4: Simplify right side
    1,259,531.20x = 1,243,760,393,852.71
  5. Step 5: Solve for x
    x = 1,243,760,393,852.71/1,259,531.20
  6. Step 6: Final answer
    x = 987,478.83

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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.