Home / 1,293,768.20-1,935,986.70-873,864.20

Finding the Fourth Proportional to 1,293,768.20, 1,935,986.70 and 873,864.20

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Solution

The fourth proportional to 1,293,768.20, 1,935,986.70 and 873,864.20 is: 1,307,644.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,768.20 : 1,935,986.70 = 873,864.20 : x
  2. Step 2: Convert to fraction form
    1,293,768.20/1,935,986.70 = 873,864.20/x
  3. Step 3: Cross multiply
    1,293,768.20x = 1,935,986.70 × 873,864.20
  4. Step 4: Simplify right side
    1,293,768.20x = 1,691,789,468,806.14
  5. Step 5: Solve for x
    x = 1,691,789,468,806.14/1,293,768.20
  6. Step 6: Final answer
    x = 1,307,644.96

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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.