Home / 733,505.90-1,012,286.70-411,236.87

Finding the Fourth Proportional to 733,505.90, 1,012,286.70 and 411,236.87

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Solution

The fourth proportional to 733,505.90, 1,012,286.70 and 411,236.87 is: 567,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,505.90 : 1,012,286.70 = 411,236.87 : x
  2. Step 2: Convert to fraction form
    733,505.90/1,012,286.70 = 411,236.87/x
  3. Step 3: Cross multiply
    733,505.90x = 1,012,286.70 × 411,236.87
  4. Step 4: Simplify right side
    733,505.90x = 416,289,614,050.63
  5. Step 5: Solve for x
    x = 416,289,614,050.63/733,505.90
  6. Step 6: Final answer
    x = 567,534.10

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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.