Home / 754,310.68-1,040,948.75-414,778.93

Finding the Fourth Proportional to 754,310.68, 1,040,948.75 and 414,778.93

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Solution

The fourth proportional to 754,310.68, 1,040,948.75 and 414,778.93 is: 572,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,310.68 : 1,040,948.75 = 414,778.93 : x
  2. Step 2: Convert to fraction form
    754,310.68/1,040,948.75 = 414,778.93/x
  3. Step 3: Cross multiply
    754,310.68x = 1,040,948.75 × 414,778.93
  4. Step 4: Simplify right side
    754,310.68x = 431,763,606,635.94
  5. Step 5: Solve for x
    x = 431,763,606,635.94/754,310.68
  6. Step 6: Final answer
    x = 572,394.93

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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.