Home / 1,188,733.57-1,640,452.32-679,446.88

Finding the Fourth Proportional to 1,188,733.57, 1,640,452.32 and 679,446.88

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Solution

The fourth proportional to 1,188,733.57, 1,640,452.32 and 679,446.88 is: 937,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,733.57 : 1,640,452.32 = 679,446.88 : x
  2. Step 2: Convert to fraction form
    1,188,733.57/1,640,452.32 = 679,446.88/x
  3. Step 3: Cross multiply
    1,188,733.57x = 1,640,452.32 × 679,446.88
  4. Step 4: Simplify right side
    1,188,733.57x = 1,114,600,206,511.63
  5. Step 5: Solve for x
    x = 1,114,600,206,511.63/1,188,733.57
  6. Step 6: Final answer
    x = 937,636.69

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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.