Home / 725,965.20-1,086,874.20-651,315.60

Finding the Fourth Proportional to 725,965.20, 1,086,874.20 and 651,315.60

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Solution

The fourth proportional to 725,965.20, 1,086,874.20 and 651,315.60 is: 975,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,965.20 : 1,086,874.20 = 651,315.60 : x
  2. Step 2: Convert to fraction form
    725,965.20/1,086,874.20 = 651,315.60/x
  3. Step 3: Cross multiply
    725,965.20x = 1,086,874.20 × 651,315.60
  4. Step 4: Simplify right side
    725,965.20x = 707,898,121,697.52
  5. Step 5: Solve for x
    x = 707,898,121,697.52/725,965.20
  6. Step 6: Final answer
    x = 975,113.02

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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.