Home / 1,412,384.54-1,947,261.22-914,783.11

Finding the Fourth Proportional to 1,412,384.54, 1,947,261.22 and 914,783.11

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Solution

The fourth proportional to 1,412,384.54, 1,947,261.22 and 914,783.11 is: 1,261,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,384.54 : 1,947,261.22 = 914,783.11 : x
  2. Step 2: Convert to fraction form
    1,412,384.54/1,947,261.22 = 914,783.11/x
  3. Step 3: Cross multiply
    1,412,384.54x = 1,947,261.22 × 914,783.11
  4. Step 4: Simplify right side
    1,412,384.54x = 1,781,321,674,813.99
  5. Step 5: Solve for x
    x = 1,781,321,674,813.99/1,412,384.54
  6. Step 6: Final answer
    x = 1,261,215.78

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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.