Home / 839,931.90-1,259,897.85-825,935.10

Finding the Fourth Proportional to 839,931.90, 1,259,897.85 and 825,935.10

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Solution

The fourth proportional to 839,931.90, 1,259,897.85 and 825,935.10 is: 1,238,902.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,931.90 : 1,259,897.85 = 825,935.10 : x
  2. Step 2: Convert to fraction form
    839,931.90/1,259,897.85 = 825,935.10/x
  3. Step 3: Cross multiply
    839,931.90x = 1,259,897.85 × 825,935.10
  4. Step 4: Simplify right side
    839,931.90x = 1,040,593,856,729.54
  5. Step 5: Solve for x
    x = 1,040,593,856,729.54/839,931.90
  6. Step 6: Final answer
    x = 1,238,902.65

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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.