Home / 784,078.29-1,082,408.22-525,860.73

Finding the Fourth Proportional to 784,078.29, 1,082,408.22 and 525,860.73

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Solution

The fourth proportional to 784,078.29, 1,082,408.22 and 525,860.73 is: 725,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,078.29 : 1,082,408.22 = 525,860.73 : x
  2. Step 2: Convert to fraction form
    784,078.29/1,082,408.22 = 525,860.73/x
  3. Step 3: Cross multiply
    784,078.29x = 1,082,408.22 × 525,860.73
  4. Step 4: Simplify right side
    784,078.29x = 569,195,976,727.20
  5. Step 5: Solve for x
    x = 569,195,976,727.20/784,078.29
  6. Step 6: Final answer
    x = 725,942.78

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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.