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Finding the Fourth Proportional to 962,406.40, 1,443,609.60 and 691,801.60

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Solution

The fourth proportional to 962,406.40, 1,443,609.60 and 691,801.60 is: 1,037,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,406.40 : 1,443,609.60 = 691,801.60 : x
  2. Step 2: Convert to fraction form
    962,406.40/1,443,609.60 = 691,801.60/x
  3. Step 3: Cross multiply
    962,406.40x = 1,443,609.60 × 691,801.60
  4. Step 4: Simplify right side
    962,406.40x = 998,691,431,055.36
  5. Step 5: Solve for x
    x = 998,691,431,055.36/962,406.40
  6. Step 6: Final answer
    x = 1,037,702.40

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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.