Home / 1,215,909.52-1,823,864.30-329,445.52

Finding the Fourth Proportional to 1,215,909.52, 1,823,864.30 and 329,445.52

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Solution

The fourth proportional to 1,215,909.52, 1,823,864.30 and 329,445.52 is: 494,168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,909.52 : 1,823,864.30 = 329,445.52 : x
  2. Step 2: Convert to fraction form
    1,215,909.52/1,823,864.30 = 329,445.52/x
  3. Step 3: Cross multiply
    1,215,909.52x = 1,823,864.30 × 329,445.52
  4. Step 4: Simplify right side
    1,215,909.52x = 600,863,922,722.94
  5. Step 5: Solve for x
    x = 600,863,922,722.94/1,215,909.52
  6. Step 6: Final answer
    x = 494,168.29

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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.