Home / 816,086.53-1,126,205.63-453,544.39

Finding the Fourth Proportional to 816,086.53, 1,126,205.63 and 453,544.39

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Solution

The fourth proportional to 816,086.53, 1,126,205.63 and 453,544.39 is: 625,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,086.53 : 1,126,205.63 = 453,544.39 : x
  2. Step 2: Convert to fraction form
    816,086.53/1,126,205.63 = 453,544.39/x
  3. Step 3: Cross multiply
    816,086.53x = 1,126,205.63 × 453,544.39
  4. Step 4: Simplify right side
    816,086.53x = 510,784,245,472.92
  5. Step 5: Solve for x
    x = 510,784,245,472.92/816,086.53
  6. Step 6: Final answer
    x = 625,894.71

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Double scale
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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.