Home / 1,356,577.92-1,872,100.88-744,787.36

Finding the Fourth Proportional to 1,356,577.92, 1,872,100.88 and 744,787.36

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Solution

The fourth proportional to 1,356,577.92, 1,872,100.88 and 744,787.36 is: 1,027,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,577.92 : 1,872,100.88 = 744,787.36 : x
  2. Step 2: Convert to fraction form
    1,356,577.92/1,872,100.88 = 744,787.36/x
  3. Step 3: Cross multiply
    1,356,577.92x = 1,872,100.88 × 744,787.36
  4. Step 4: Simplify right side
    1,356,577.92x = 1,394,317,072,068.88
  5. Step 5: Solve for x
    x = 1,394,317,072,068.88/1,356,577.92
  6. Step 6: Final answer
    x = 1,027,819.38

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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.