Home / 722,431.17-1,083,792.56-217,022.76

Finding the Fourth Proportional to 722,431.17, 1,083,792.56 and 217,022.76

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Solution

The fourth proportional to 722,431.17, 1,083,792.56 and 217,022.76 is: 325,577.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,431.17 : 1,083,792.56 = 217,022.76 : x
  2. Step 2: Convert to fraction form
    722,431.17/1,083,792.56 = 217,022.76/x
  3. Step 3: Cross multiply
    722,431.17x = 1,083,792.56 × 217,022.76
  4. Step 4: Simplify right side
    722,431.17x = 235,207,651,553.55
  5. Step 5: Solve for x
    x = 235,207,651,553.55/722,431.17
  6. Step 6: Final answer
    x = 325,577.94

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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.