Home / 882,821.40-1,324,232.10-509,573.40

Finding the Fourth Proportional to 882,821.40, 1,324,232.10 and 509,573.40

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Solution

The fourth proportional to 882,821.40, 1,324,232.10 and 509,573.40 is: 764,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,821.40 : 1,324,232.10 = 509,573.40 : x
  2. Step 2: Convert to fraction form
    882,821.40/1,324,232.10 = 509,573.40/x
  3. Step 3: Cross multiply
    882,821.40x = 1,324,232.10 × 509,573.40
  4. Step 4: Simplify right side
    882,821.40x = 674,793,453,586.14
  5. Step 5: Solve for x
    x = 674,793,453,586.14/882,821.40
  6. Step 6: Final answer
    x = 764,360.10

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.