Home / 1,040,645.61-1,436,321.97-632,660.76

Finding the Fourth Proportional to 1,040,645.61, 1,436,321.97 and 632,660.76

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Solution

The fourth proportional to 1,040,645.61, 1,436,321.97 and 632,660.76 is: 873,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,645.61 : 1,436,321.97 = 632,660.76 : x
  2. Step 2: Convert to fraction form
    1,040,645.61/1,436,321.97 = 632,660.76/x
  3. Step 3: Cross multiply
    1,040,645.61x = 1,436,321.97 × 632,660.76
  4. Step 4: Simplify right side
    1,040,645.61x = 908,704,549,144.90
  5. Step 5: Solve for x
    x = 908,704,549,144.90/1,040,645.61
  6. Step 6: Final answer
    x = 873,212.30

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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.