Home / 754,074.88-1,040,643.20-414,551.68

Finding the Fourth Proportional to 754,074.88, 1,040,643.20 and 414,551.68

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Solution

The fourth proportional to 754,074.88, 1,040,643.20 and 414,551.68 is: 572,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,074.88 : 1,040,643.20 = 414,551.68 : x
  2. Step 2: Convert to fraction form
    754,074.88/1,040,643.20 = 414,551.68/x
  3. Step 3: Cross multiply
    754,074.88x = 1,040,643.20 × 414,551.68
  4. Step 4: Simplify right side
    754,074.88x = 431,400,386,840.58
  5. Step 5: Solve for x
    x = 431,400,386,840.58/754,074.88
  6. Step 6: Final answer
    x = 572,092.24

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Double scale
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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.