Home / 724,213.60-1,085,629.20-564,200.80

Finding the Fourth Proportional to 724,213.60, 1,085,629.20 and 564,200.80

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Solution

The fourth proportional to 724,213.60, 1,085,629.20 and 564,200.80 is: 845,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,213.60 : 1,085,629.20 = 564,200.80 : x
  2. Step 2: Convert to fraction form
    724,213.60/1,085,629.20 = 564,200.80/x
  3. Step 3: Cross multiply
    724,213.60x = 1,085,629.20 × 564,200.80
  4. Step 4: Simplify right side
    724,213.60x = 612,512,863,143.36
  5. Step 5: Solve for x
    x = 612,512,863,143.36/724,213.60
  6. Step 6: Final answer
    x = 845,762.72

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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.