Home / 754,174.92-1,040,734.80-414,640.56

Finding the Fourth Proportional to 754,174.92, 1,040,734.80 and 414,640.56

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Solution

The fourth proportional to 754,174.92, 1,040,734.80 and 414,640.56 is: 572,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,174.92 : 1,040,734.80 = 414,640.56 : x
  2. Step 2: Convert to fraction form
    754,174.92/1,040,734.80 = 414,640.56/x
  3. Step 3: Cross multiply
    754,174.92x = 1,040,734.80 × 414,640.56
  4. Step 4: Simplify right side
    754,174.92x = 431,530,860,283.49
  5. Step 5: Solve for x
    x = 431,530,860,283.49/754,174.92
  6. Step 6: Final answer
    x = 572,189.35

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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.