Home / 985,241.56-1,359,648.46-577,245.78

Finding the Fourth Proportional to 985,241.56, 1,359,648.46 and 577,245.78

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Solution

The fourth proportional to 985,241.56, 1,359,648.46 and 577,245.78 is: 796,608.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,241.56 : 1,359,648.46 = 577,245.78 : x
  2. Step 2: Convert to fraction form
    985,241.56/1,359,648.46 = 577,245.78/x
  3. Step 3: Cross multiply
    985,241.56x = 1,359,648.46 × 577,245.78
  4. Step 4: Simplify right side
    985,241.56x = 784,851,335,818.50
  5. Step 5: Solve for x
    x = 784,851,335,818.50/985,241.56
  6. Step 6: Final answer
    x = 796,608.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.