Home / 816,629.44-1,126,942.72-454,050.49

Finding the Fourth Proportional to 816,629.44, 1,126,942.72 and 454,050.49

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Solution

The fourth proportional to 816,629.44, 1,126,942.72 and 454,050.49 is: 626,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,629.44 : 1,126,942.72 = 454,050.49 : x
  2. Step 2: Convert to fraction form
    816,629.44/1,126,942.72 = 454,050.49/x
  3. Step 3: Cross multiply
    816,629.44x = 1,126,942.72 × 454,050.49
  4. Step 4: Simplify right side
    816,629.44x = 511,688,894,217.93
  5. Step 5: Solve for x
    x = 511,688,894,217.93/816,629.44
  6. Step 6: Final answer
    x = 626,586.39

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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.