Home / 1,891,586.32-2,838,664.68-769,859.44

Finding the Fourth Proportional to 1,891,586.32, 2,838,664.68 and 769,859.44

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Solution

The fourth proportional to 1,891,586.32, 2,838,664.68 and 769,859.44 is: 1,155,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,586.32 : 2,838,664.68 = 769,859.44 : x
  2. Step 2: Convert to fraction form
    1,891,586.32/2,838,664.68 = 769,859.44/x
  3. Step 3: Cross multiply
    1,891,586.32x = 2,838,664.68 × 769,859.44
  4. Step 4: Simplify right side
    1,891,586.32x = 2,185,372,800,892.58
  5. Step 5: Solve for x
    x = 2,185,372,800,892.58/1,891,586.32
  6. Step 6: Final answer
    x = 1,155,312.23

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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.