Home / 568,327.28-784,291.66-387,355.37

Finding the Fourth Proportional to 568,327.28, 784,291.66 and 387,355.37

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Solution

The fourth proportional to 568,327.28, 784,291.66 and 387,355.37 is: 534,550.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,327.28 : 784,291.66 = 387,355.37 : x
  2. Step 2: Convert to fraction form
    568,327.28/784,291.66 = 387,355.37/x
  3. Step 3: Cross multiply
    568,327.28x = 784,291.66 × 387,355.37
  4. Step 4: Simplify right side
    568,327.28x = 303,799,587,139.56
  5. Step 5: Solve for x
    x = 303,799,587,139.56/568,327.28
  6. Step 6: Final answer
    x = 534,550.42

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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.