Home / 461,246.40-691,869.60-455,025.60

Finding the Fourth Proportional to 461,246.40, 691,869.60 and 455,025.60

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Solution

The fourth proportional to 461,246.40, 691,869.60 and 455,025.60 is: 682,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,246.40 : 691,869.60 = 455,025.60 : x
  2. Step 2: Convert to fraction form
    461,246.40/691,869.60 = 455,025.60/x
  3. Step 3: Cross multiply
    461,246.40x = 691,869.60 × 455,025.60
  4. Step 4: Simplify right side
    461,246.40x = 314,818,379,861.76
  5. Step 5: Solve for x
    x = 314,818,379,861.76/461,246.40
  6. Step 6: Final answer
    x = 682,538.40

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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.