Home / 881,542.92-1,217,028.96-674,421.78

Finding the Fourth Proportional to 881,542.92, 1,217,028.96 and 674,421.78

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Solution

The fourth proportional to 881,542.92, 1,217,028.96 and 674,421.78 is: 931,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,542.92 : 1,217,028.96 = 674,421.78 : x
  2. Step 2: Convert to fraction form
    881,542.92/1,217,028.96 = 674,421.78/x
  3. Step 3: Cross multiply
    881,542.92x = 1,217,028.96 × 674,421.78
  4. Step 4: Simplify right side
    881,542.92x = 820,790,837,514.75
  5. Step 5: Solve for x
    x = 820,790,837,514.75/881,542.92
  6. Step 6: Final answer
    x = 931,084.37

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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.