Home / 1,104,163.20-1,656,244.80-394,214.40

Finding the Fourth Proportional to 1,104,163.20, 1,656,244.80 and 394,214.40

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Solution

The fourth proportional to 1,104,163.20, 1,656,244.80 and 394,214.40 is: 591,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,163.20 : 1,656,244.80 = 394,214.40 : x
  2. Step 2: Convert to fraction form
    1,104,163.20/1,656,244.80 = 394,214.40/x
  3. Step 3: Cross multiply
    1,104,163.20x = 1,656,244.80 × 394,214.40
  4. Step 4: Simplify right side
    1,104,163.20x = 652,915,550,085.12
  5. Step 5: Solve for x
    x = 652,915,550,085.12/1,104,163.20
  6. Step 6: Final answer
    x = 591,321.60

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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.