Home / 898,344.40-1,347,516.60-449,134.60

Finding the Fourth Proportional to 898,344.40, 1,347,516.60 and 449,134.60

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Solution

The fourth proportional to 898,344.40, 1,347,516.60 and 449,134.60 is: 673,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,344.40 : 1,347,516.60 = 449,134.60 : x
  2. Step 2: Convert to fraction form
    898,344.40/1,347,516.60 = 449,134.60/x
  3. Step 3: Cross multiply
    898,344.40x = 1,347,516.60 × 449,134.60
  4. Step 4: Simplify right side
    898,344.40x = 605,216,329,134.36
  5. Step 5: Solve for x
    x = 605,216,329,134.36/898,344.40
  6. Step 6: Final answer
    x = 673,701.90

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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.