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Finding the Fourth Proportional to 1,825,973.82, 2,738,425.59 and 687,914.91

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Solution

The fourth proportional to 1,825,973.82, 2,738,425.59 and 687,914.91 is: 1,031,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,973.82 : 2,738,425.59 = 687,914.91 : x
  2. Step 2: Convert to fraction form
    1,825,973.82/2,738,425.59 = 687,914.91/x
  3. Step 3: Cross multiply
    1,825,973.82x = 2,738,425.59 × 687,914.91
  4. Step 4: Simplify right side
    1,825,973.82x = 1,883,803,793,286.55
  5. Step 5: Solve for x
    x = 1,883,803,793,286.55/1,825,973.82
  6. Step 6: Final answer
    x = 1,031,670.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.