Home / 544,031.20-815,816.40-263,634.40

Finding the Fourth Proportional to 544,031.20, 815,816.40 and 263,634.40

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Solution

The fourth proportional to 544,031.20, 815,816.40 and 263,634.40 is: 395,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,031.20 : 815,816.40 = 263,634.40 : x
  2. Step 2: Convert to fraction form
    544,031.20/815,816.40 = 263,634.40/x
  3. Step 3: Cross multiply
    544,031.20x = 815,816.40 × 263,634.40
  4. Step 4: Simplify right side
    544,031.20x = 215,077,267,124.16
  5. Step 5: Solve for x
    x = 215,077,267,124.16/544,031.20
  6. Step 6: Final answer
    x = 395,339.95

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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.