Home / 864,190.60-1,296,113.10-414,910.60

Finding the Fourth Proportional to 864,190.60, 1,296,113.10 and 414,910.60

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Solution

The fourth proportional to 864,190.60, 1,296,113.10 and 414,910.60 is: 622,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,190.60 : 1,296,113.10 = 414,910.60 : x
  2. Step 2: Convert to fraction form
    864,190.60/1,296,113.10 = 414,910.60/x
  3. Step 3: Cross multiply
    864,190.60x = 1,296,113.10 × 414,910.60
  4. Step 4: Simplify right side
    864,190.60x = 537,771,063,988.86
  5. Step 5: Solve for x
    x = 537,771,063,988.86/864,190.60
  6. Step 6: Final answer
    x = 622,282.94

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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.