Home / 864,839.41-1,297,263.72-567,204.78

Finding the Fourth Proportional to 864,839.41, 1,297,263.72 and 567,204.78

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Solution

The fourth proportional to 864,839.41, 1,297,263.72 and 567,204.78 is: 850,810.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,839.41 : 1,297,263.72 = 567,204.78 : x
  2. Step 2: Convert to fraction form
    864,839.41/1,297,263.72 = 567,204.78/x
  3. Step 3: Cross multiply
    864,839.41x = 1,297,263.72 × 567,204.78
  4. Step 4: Simplify right side
    864,839.41x = 735,814,187,769.32
  5. Step 5: Solve for x
    x = 735,814,187,769.32/864,839.41
  6. Step 6: Final answer
    x = 850,810.20

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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.