Home / 816,512.28-1,126,723.14-453,914.04

Finding the Fourth Proportional to 816,512.28, 1,126,723.14 and 453,914.04

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Solution

The fourth proportional to 816,512.28, 1,126,723.14 and 453,914.04 is: 626,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,512.28 : 1,126,723.14 = 453,914.04 : x
  2. Step 2: Convert to fraction form
    816,512.28/1,126,723.14 = 453,914.04/x
  3. Step 3: Cross multiply
    816,512.28x = 1,126,723.14 × 453,914.04
  4. Step 4: Simplify right side
    816,512.28x = 511,435,452,438.89
  5. Step 5: Solve for x
    x = 511,435,452,438.89/816,512.28
  6. Step 6: Final answer
    x = 626,365.90

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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.