Home / 1,411,219.57-1,947,496.49-766,644.61

Finding the Fourth Proportional to 1,411,219.57, 1,947,496.49 and 766,644.61

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Solution

The fourth proportional to 1,411,219.57, 1,947,496.49 and 766,644.61 is: 1,057,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,219.57 : 1,947,496.49 = 766,644.61 : x
  2. Step 2: Convert to fraction form
    1,411,219.57/1,947,496.49 = 766,644.61/x
  3. Step 3: Cross multiply
    1,411,219.57x = 1,947,496.49 × 766,644.61
  4. Step 4: Simplify right side
    1,411,219.57x = 1,493,037,683,219.20
  5. Step 5: Solve for x
    x = 1,493,037,683,219.20/1,411,219.57
  6. Step 6: Final answer
    x = 1,057,976.88

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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.