Home / 816,576.76-1,224,785.94-247,962.78

Finding the Fourth Proportional to 816,576.76, 1,224,785.94 and 247,962.78

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Solution

The fourth proportional to 816,576.76, 1,224,785.94 and 247,962.78 is: 371,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,576.76 : 1,224,785.94 = 247,962.78 : x
  2. Step 2: Convert to fraction form
    816,576.76/1,224,785.94 = 247,962.78/x
  3. Step 3: Cross multiply
    816,576.76x = 1,224,785.94 × 247,962.78
  4. Step 4: Simplify right side
    816,576.76x = 303,701,328,861.78
  5. Step 5: Solve for x
    x = 303,701,328,861.78/816,576.76
  6. Step 6: Final answer
    x = 371,920.12

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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.