Home / 754,078.88-1,040,648.73-414,555.68

Finding the Fourth Proportional to 754,078.88, 1,040,648.73 and 414,555.68

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Solution

The fourth proportional to 754,078.88, 1,040,648.73 and 414,555.68 is: 572,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,078.88 : 1,040,648.73 = 414,555.68 : x
  2. Step 2: Convert to fraction form
    754,078.88/1,040,648.73 = 414,555.68/x
  3. Step 3: Cross multiply
    754,078.88x = 1,040,648.73 × 414,555.68
  4. Step 4: Simplify right side
    754,078.88x = 431,406,841,906.29
  5. Step 5: Solve for x
    x = 431,406,841,906.29/754,078.88
  6. Step 6: Final answer
    x = 572,097.77

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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.