Home / 764,223.38-1,053,516.75-534,066.09

Finding the Fourth Proportional to 764,223.38, 1,053,516.75 and 534,066.09

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Solution

The fourth proportional to 764,223.38, 1,053,516.75 and 534,066.09 is: 736,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,223.38 : 1,053,516.75 = 534,066.09 : x
  2. Step 2: Convert to fraction form
    764,223.38/1,053,516.75 = 534,066.09/x
  3. Step 3: Cross multiply
    764,223.38x = 1,053,516.75 × 534,066.09
  4. Step 4: Simplify right side
    764,223.38x = 562,647,571,422.01
  5. Step 5: Solve for x
    x = 562,647,571,422.01/764,223.38
  6. Step 6: Final answer
    x = 736,234.44

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Half scale
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Double scale
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Similar ratio
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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.