Home / 706,579.20-1,059,868.80-482,630.40

Finding the Fourth Proportional to 706,579.20, 1,059,868.80 and 482,630.40

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Solution

The fourth proportional to 706,579.20, 1,059,868.80 and 482,630.40 is: 723,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,579.20 : 1,059,868.80 = 482,630.40 : x
  2. Step 2: Convert to fraction form
    706,579.20/1,059,868.80 = 482,630.40/x
  3. Step 3: Cross multiply
    706,579.20x = 1,059,868.80 × 482,630.40
  4. Step 4: Simplify right side
    706,579.20x = 511,524,902,891.52
  5. Step 5: Solve for x
    x = 511,524,902,891.52/706,579.20
  6. Step 6: Final answer
    x = 723,945.60

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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.