Home / 811,772.54-1,217,666.97-362,516.16

Finding the Fourth Proportional to 811,772.54, 1,217,666.97 and 362,516.16

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Solution

The fourth proportional to 811,772.54, 1,217,666.97 and 362,516.16 is: 543,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,772.54 : 1,217,666.97 = 362,516.16 : x
  2. Step 2: Convert to fraction form
    811,772.54/1,217,666.97 = 362,516.16/x
  3. Step 3: Cross multiply
    811,772.54x = 1,217,666.97 × 362,516.16
  4. Step 4: Simplify right side
    811,772.54x = 441,423,954,123.24
  5. Step 5: Solve for x
    x = 441,423,954,123.24/811,772.54
  6. Step 6: Final answer
    x = 543,777.89

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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.