Home / 1,641,299.91-2,265,371.78-962,455.11

Finding the Fourth Proportional to 1,641,299.91, 2,265,371.78 and 962,455.11

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Solution

The fourth proportional to 1,641,299.91, 2,265,371.78 and 962,455.11 is: 1,328,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,299.91 : 2,265,371.78 = 962,455.11 : x
  2. Step 2: Convert to fraction form
    1,641,299.91/2,265,371.78 = 962,455.11/x
  3. Step 3: Cross multiply
    1,641,299.91x = 2,265,371.78 × 962,455.11
  4. Step 4: Simplify right side
    1,641,299.91x = 2,180,318,645,710.80
  5. Step 5: Solve for x
    x = 2,180,318,645,710.80/1,641,299.91
  6. Step 6: Final answer
    x = 1,328,409.65

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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.