Home / 754,043.66-1,040,605.60-443,890.28

Finding the Fourth Proportional to 754,043.66, 1,040,605.60 and 443,890.28

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Solution

The fourth proportional to 754,043.66, 1,040,605.60 and 443,890.28 is: 612,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,043.66 : 1,040,605.60 = 443,890.28 : x
  2. Step 2: Convert to fraction form
    754,043.66/1,040,605.60 = 443,890.28/x
  3. Step 3: Cross multiply
    754,043.66x = 1,040,605.60 × 443,890.28
  4. Step 4: Simplify right side
    754,043.66x = 461,914,711,153.57
  5. Step 5: Solve for x
    x = 461,914,711,153.57/754,043.66
  6. Step 6: Final answer
    x = 612,583.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.