Home / 1,276,709.20-1,914,910.20-528,677.20

Finding the Fourth Proportional to 1,276,709.20, 1,914,910.20 and 528,677.20

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Solution

The fourth proportional to 1,276,709.20, 1,914,910.20 and 528,677.20 is: 792,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,709.20 : 1,914,910.20 = 528,677.20 : x
  2. Step 2: Convert to fraction form
    1,276,709.20/1,914,910.20 = 528,677.20/x
  3. Step 3: Cross multiply
    1,276,709.20x = 1,914,910.20 × 528,677.20
  4. Step 4: Simplify right side
    1,276,709.20x = 1,012,369,362,787.44
  5. Step 5: Solve for x
    x = 1,012,369,362,787.44/1,276,709.20
  6. Step 6: Final answer
    x = 792,952.20

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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.