Home / 663,708.20-995,562.30-545,610.20

Finding the Fourth Proportional to 663,708.20, 995,562.30 and 545,610.20

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Solution

The fourth proportional to 663,708.20, 995,562.30 and 545,610.20 is: 818,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,708.20 : 995,562.30 = 545,610.20 : x
  2. Step 2: Convert to fraction form
    663,708.20/995,562.30 = 545,610.20/x
  3. Step 3: Cross multiply
    663,708.20x = 995,562.30 × 545,610.20
  4. Step 4: Simplify right side
    663,708.20x = 543,188,945,615.46
  5. Step 5: Solve for x
    x = 543,188,945,615.46/663,708.20
  6. Step 6: Final answer
    x = 818,415.30

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Similar ratio
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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.