Home / 754,231.12-1,040,842.80-414,721.20

Finding the Fourth Proportional to 754,231.12, 1,040,842.80 and 414,721.20

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Solution

The fourth proportional to 754,231.12, 1,040,842.80 and 414,721.20 is: 572,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,231.12 : 1,040,842.80 = 414,721.20 : x
  2. Step 2: Convert to fraction form
    754,231.12/1,040,842.80 = 414,721.20/x
  3. Step 3: Cross multiply
    754,231.12x = 1,040,842.80 × 414,721.20
  4. Step 4: Simplify right side
    754,231.12x = 431,659,575,027.36
  5. Step 5: Solve for x
    x = 431,659,575,027.36/754,231.12
  6. Step 6: Final answer
    x = 572,317.38

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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.