Home / 725,991.20-1,086,913.20-651,341.60

Finding the Fourth Proportional to 725,991.20, 1,086,913.20 and 651,341.60

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Solution

The fourth proportional to 725,991.20, 1,086,913.20 and 651,341.60 is: 975,152.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,991.20 : 1,086,913.20 = 651,341.60 : x
  2. Step 2: Convert to fraction form
    725,991.20/1,086,913.20 = 651,341.60/x
  3. Step 3: Cross multiply
    725,991.20x = 1,086,913.20 × 651,341.60
  4. Step 4: Simplify right side
    725,991.20x = 707,951,782,749.12
  5. Step 5: Solve for x
    x = 707,951,782,749.12/725,991.20
  6. Step 6: Final answer
    x = 975,152.02

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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.