Home / 754,015.74-1,040,542.84-414,486.06

Finding the Fourth Proportional to 754,015.74, 1,040,542.84 and 414,486.06

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Solution

The fourth proportional to 754,015.74, 1,040,542.84 and 414,486.06 is: 571,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,015.74 : 1,040,542.84 = 414,486.06 : x
  2. Step 2: Convert to fraction form
    754,015.74/1,040,542.84 = 414,486.06/x
  3. Step 3: Cross multiply
    754,015.74x = 1,040,542.84 × 414,486.06
  4. Step 4: Simplify right side
    754,015.74x = 431,290,495,773.88
  5. Step 5: Solve for x
    x = 431,290,495,773.88/754,015.74
  6. Step 6: Final answer
    x = 571,991.37

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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.