Home / 864,135.60-1,295,166.60-443,194.80

Finding the Fourth Proportional to 864,135.60, 1,295,166.60 and 443,194.80

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Solution

The fourth proportional to 864,135.60, 1,295,166.60 and 443,194.80 is: 664,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,135.60 : 1,295,166.60 = 443,194.80 : x
  2. Step 2: Convert to fraction form
    864,135.60/1,295,166.60 = 443,194.80/x
  3. Step 3: Cross multiply
    864,135.60x = 1,295,166.60 × 443,194.80
  4. Step 4: Simplify right side
    864,135.60x = 574,011,102,253.68
  5. Step 5: Solve for x
    x = 574,011,102,253.68/864,135.60
  6. Step 6: Final answer
    x = 664,260.45

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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.