Home / 883,247.70-1,324,871.55-830,103.60

Finding the Fourth Proportional to 883,247.70, 1,324,871.55 and 830,103.60

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Solution

The fourth proportional to 883,247.70, 1,324,871.55 and 830,103.60 is: 1,245,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,247.70 : 1,324,871.55 = 830,103.60 : x
  2. Step 2: Convert to fraction form
    883,247.70/1,324,871.55 = 830,103.60/x
  3. Step 3: Cross multiply
    883,247.70x = 1,324,871.55 × 830,103.60
  4. Step 4: Simplify right side
    883,247.70x = 1,099,780,643,192.58
  5. Step 5: Solve for x
    x = 1,099,780,643,192.58/883,247.70
  6. Step 6: Final answer
    x = 1,245,155.40

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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.