Home / 1,043,046.60-1,565,153.10-443,905.80

Finding the Fourth Proportional to 1,043,046.60, 1,565,153.10 and 443,905.80

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Solution

The fourth proportional to 1,043,046.60, 1,565,153.10 and 443,905.80 is: 666,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,046.60 : 1,565,153.10 = 443,905.80 : x
  2. Step 2: Convert to fraction form
    1,043,046.60/1,565,153.10 = 443,905.80/x
  3. Step 3: Cross multiply
    1,043,046.60x = 1,565,153.10 × 443,905.80
  4. Step 4: Simplify right side
    1,043,046.60x = 694,780,538,977.98
  5. Step 5: Solve for x
    x = 694,780,538,977.98/1,043,046.60
  6. Step 6: Final answer
    x = 666,106.90

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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.