Home / 814,519.96-1,221,729.90-365,119.96

Finding the Fourth Proportional to 814,519.96, 1,221,729.90 and 365,119.96

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Solution

The fourth proportional to 814,519.96, 1,221,729.90 and 365,119.96 is: 547,657.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,519.96 : 1,221,729.90 = 365,119.96 : x
  2. Step 2: Convert to fraction form
    814,519.96/1,221,729.90 = 365,119.96/x
  3. Step 3: Cross multiply
    814,519.96x = 1,221,729.90 × 365,119.96
  4. Step 4: Simplify right side
    814,519.96x = 446,077,972,218.80
  5. Step 5: Solve for x
    x = 446,077,972,218.80/814,519.96
  6. Step 6: Final answer
    x = 547,657.51

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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.