Home / 818,190.57-1,226,443.76-362,996.18

Finding the Fourth Proportional to 818,190.57, 1,226,443.76 and 362,996.18

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Solution

The fourth proportional to 818,190.57, 1,226,443.76 and 362,996.18 is: 544,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,190.57 : 1,226,443.76 = 362,996.18 : x
  2. Step 2: Convert to fraction form
    818,190.57/1,226,443.76 = 362,996.18/x
  3. Step 3: Cross multiply
    818,190.57x = 1,226,443.76 × 362,996.18
  4. Step 4: Simplify right side
    818,190.57x = 445,194,391,917.64
  5. Step 5: Solve for x
    x = 445,194,391,917.64/818,190.57
  6. Step 6: Final answer
    x = 544,120.66

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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.