Home / 1,412,387.54-1,947,265.36-914,786.11

Finding the Fourth Proportional to 1,412,387.54, 1,947,265.36 and 914,786.11

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Solution

The fourth proportional to 1,412,387.54, 1,947,265.36 and 914,786.11 is: 1,261,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,387.54 : 1,947,265.36 = 914,786.11 : x
  2. Step 2: Convert to fraction form
    1,412,387.54/1,947,265.36 = 914,786.11/x
  3. Step 3: Cross multiply
    1,412,387.54x = 1,947,265.36 × 914,786.11
  4. Step 4: Simplify right side
    1,412,387.54x = 1,781,331,303,812.15
  5. Step 5: Solve for x
    x = 1,781,331,303,812.15/1,412,387.54
  6. Step 6: Final answer
    x = 1,261,219.92

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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.