Home / 545,788.21-818,769.89-230,291.59

Finding the Fourth Proportional to 545,788.21, 818,769.89 and 230,291.59

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Solution

The fourth proportional to 545,788.21, 818,769.89 and 230,291.59 is: 345,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,788.21 : 818,769.89 = 230,291.59 : x
  2. Step 2: Convert to fraction form
    545,788.21/818,769.89 = 230,291.59/x
  3. Step 3: Cross multiply
    545,788.21x = 818,769.89 × 230,291.59
  4. Step 4: Simplify right side
    545,788.21x = 188,555,818,341.03
  5. Step 5: Solve for x
    x = 188,555,818,341.03/545,788.21
  6. Step 6: Final answer
    x = 345,474.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.