Home / 1,398,572.97-1,928,172.54-914,305.56

Finding the Fourth Proportional to 1,398,572.97, 1,928,172.54 and 914,305.56

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Solution

The fourth proportional to 1,398,572.97, 1,928,172.54 and 914,305.56 is: 1,260,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,572.97 : 1,928,172.54 = 914,305.56 : x
  2. Step 2: Convert to fraction form
    1,398,572.97/1,928,172.54 = 914,305.56/x
  3. Step 3: Cross multiply
    1,398,572.97x = 1,928,172.54 × 914,305.56
  4. Step 4: Simplify right side
    1,398,572.97x = 1,762,938,873,961.32
  5. Step 5: Solve for x
    x = 1,762,938,873,961.32/1,398,572.97
  6. Step 6: Final answer
    x = 1,260,526.92

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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.