Home / 1,261,985.31-1,893,376.29-959,826.84

Finding the Fourth Proportional to 1,261,985.31, 1,893,376.29 and 959,826.84

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Solution

The fourth proportional to 1,261,985.31, 1,893,376.29 and 959,826.84 is: 1,440,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,985.31 : 1,893,376.29 = 959,826.84 : x
  2. Step 2: Convert to fraction form
    1,261,985.31/1,893,376.29 = 959,826.84/x
  3. Step 3: Cross multiply
    1,261,985.31x = 1,893,376.29 × 959,826.84
  4. Step 4: Simplify right side
    1,261,985.31x = 1,817,313,381,361.62
  5. Step 5: Solve for x
    x = 1,817,313,381,361.62/1,261,985.31
  6. Step 6: Final answer
    x = 1,440,043.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.