Home / 969,960.54-1,338,855.75-625,806.12

Finding the Fourth Proportional to 969,960.54, 1,338,855.75 and 625,806.12

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Solution

The fourth proportional to 969,960.54, 1,338,855.75 and 625,806.12 is: 863,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,960.54 : 1,338,855.75 = 625,806.12 : x
  2. Step 2: Convert to fraction form
    969,960.54/1,338,855.75 = 625,806.12/x
  3. Step 3: Cross multiply
    969,960.54x = 1,338,855.75 × 625,806.12
  4. Step 4: Simplify right side
    969,960.54x = 837,864,122,147.19
  5. Step 5: Solve for x
    x = 837,864,122,147.19/969,960.54
  6. Step 6: Final answer
    x = 863,812.59

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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.