Home / 715,481.80-1,073,222.70-322,265.80

Finding the Fourth Proportional to 715,481.80, 1,073,222.70 and 322,265.80

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Solution

The fourth proportional to 715,481.80, 1,073,222.70 and 322,265.80 is: 483,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,481.80 : 1,073,222.70 = 322,265.80 : x
  2. Step 2: Convert to fraction form
    715,481.80/1,073,222.70 = 322,265.80/x
  3. Step 3: Cross multiply
    715,481.80x = 1,073,222.70 × 322,265.80
  4. Step 4: Simplify right side
    715,481.80x = 345,862,971,993.66
  5. Step 5: Solve for x
    x = 345,862,971,993.66/715,481.80
  6. Step 6: Final answer
    x = 483,398.70

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Double scale
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1.5x scale

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.