Home / 825,940.70-1,238,908.12-465,948.26

Finding the Fourth Proportional to 825,940.70, 1,238,908.12 and 465,948.26

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Solution

The fourth proportional to 825,940.70, 1,238,908.12 and 465,948.26 is: 698,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,940.70 : 1,238,908.12 = 465,948.26 : x
  2. Step 2: Convert to fraction form
    825,940.70/1,238,908.12 = 465,948.26/x
  3. Step 3: Cross multiply
    825,940.70x = 1,238,908.12 × 465,948.26
  4. Step 4: Simplify right side
    825,940.70x = 577,267,082,813.87
  5. Step 5: Solve for x
    x = 577,267,082,813.87/825,940.70
  6. Step 6: Final answer
    x = 698,920.74

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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.