Home / 816,591.53-1,126,866.86-449,065.57

Finding the Fourth Proportional to 816,591.53, 1,126,866.86 and 449,065.57

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Solution

The fourth proportional to 816,591.53, 1,126,866.86 and 449,065.57 is: 619,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,591.53 : 1,126,866.86 = 449,065.57 : x
  2. Step 2: Convert to fraction form
    816,591.53/1,126,866.86 = 449,065.57/x
  3. Step 3: Cross multiply
    816,591.53x = 1,126,866.86 × 449,065.57
  4. Step 4: Simplify right side
    816,591.53x = 506,037,107,963.27
  5. Step 5: Solve for x
    x = 506,037,107,963.27/816,591.53
  6. Step 6: Final answer
    x = 619,694.29

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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.