Home / 1,318,912.80-1,976,322.96-914,893.92

Finding the Fourth Proportional to 1,318,912.80, 1,976,322.96 and 914,893.92

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Solution

The fourth proportional to 1,318,912.80, 1,976,322.96 and 914,893.92 is: 1,370,921.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,912.80 : 1,976,322.96 = 914,893.92 : x
  2. Step 2: Convert to fraction form
    1,318,912.80/1,976,322.96 = 914,893.92/x
  3. Step 3: Cross multiply
    1,318,912.80x = 1,976,322.96 × 914,893.92
  4. Step 4: Simplify right side
    1,318,912.80x = 1,808,125,860,060.40
  5. Step 5: Solve for x
    x = 1,808,125,860,060.40/1,318,912.80
  6. Step 6: Final answer
    x = 1,370,921.46

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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.