Home / 819,866.22-1,131,416.92-457,313.55

Finding the Fourth Proportional to 819,866.22, 1,131,416.92 and 457,313.55

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Solution

The fourth proportional to 819,866.22, 1,131,416.92 and 457,313.55 is: 631,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,866.22 : 1,131,416.92 = 457,313.55 : x
  2. Step 2: Convert to fraction form
    819,866.22/1,131,416.92 = 457,313.55/x
  3. Step 3: Cross multiply
    819,866.22x = 1,131,416.92 × 457,313.55
  4. Step 4: Simplify right side
    819,866.22x = 517,412,288,215.27
  5. Step 5: Solve for x
    x = 517,412,288,215.27/819,866.22
  6. Step 6: Final answer
    x = 631,093.56

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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.