Home / 754,043.16-1,040,604.90-443,889.78

Finding the Fourth Proportional to 754,043.16, 1,040,604.90 and 443,889.78

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Solution

The fourth proportional to 754,043.16, 1,040,604.90 and 443,889.78 is: 612,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,043.16 : 1,040,604.90 = 443,889.78 : x
  2. Step 2: Convert to fraction form
    754,043.16/1,040,604.90 = 443,889.78/x
  3. Step 3: Cross multiply
    754,043.16x = 1,040,604.90 × 443,889.78
  4. Step 4: Simplify right side
    754,043.16x = 461,913,880,127.92
  5. Step 5: Solve for x
    x = 461,913,880,127.92/754,043.16
  6. Step 6: Final answer
    x = 612,582.81

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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.