Home / 770,514.92-1,154,205.66-628,865

Finding the Fourth Proportional to 770,514.92, 1,154,205.66 and 628,865

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Solution

The fourth proportional to 770,514.92, 1,154,205.66 and 628,865 is: 942,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,514.92 : 1,154,205.66 = 628,865 : x
  2. Step 2: Convert to fraction form
    770,514.92/1,154,205.66 = 628,865/x
  3. Step 3: Cross multiply
    770,514.92x = 1,154,205.66 × 628,865
  4. Step 4: Simplify right side
    770,514.92x = 725,839,542,375.90
  5. Step 5: Solve for x
    x = 725,839,542,375.90/770,514.92
  6. Step 6: Final answer
    x = 942,018.80

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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.