Home / 811,771.04-1,217,664.72-362,514.66

Finding the Fourth Proportional to 811,771.04, 1,217,664.72 and 362,514.66

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Solution

The fourth proportional to 811,771.04, 1,217,664.72 and 362,514.66 is: 543,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,771.04 : 1,217,664.72 = 362,514.66 : x
  2. Step 2: Convert to fraction form
    811,771.04/1,217,664.72 = 362,514.66/x
  3. Step 3: Cross multiply
    811,771.04x = 1,217,664.72 × 362,514.66
  4. Step 4: Simplify right side
    811,771.04x = 441,421,311,964.80
  5. Step 5: Solve for x
    x = 441,421,311,964.80/811,771.04
  6. Step 6: Final answer
    x = 543,775.64

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Double scale
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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.