Home / 1,224,620.56-1,836,965.40-338,156.56

Finding the Fourth Proportional to 1,224,620.56, 1,836,965.40 and 338,156.56

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Solution

The fourth proportional to 1,224,620.56, 1,836,965.40 and 338,156.56 is: 507,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,620.56 : 1,836,965.40 = 338,156.56 : x
  2. Step 2: Convert to fraction form
    1,224,620.56/1,836,965.40 = 338,156.56/x
  3. Step 3: Cross multiply
    1,224,620.56x = 1,836,965.40 × 338,156.56
  4. Step 4: Simplify right side
    1,224,620.56x = 621,181,900,503.02
  5. Step 5: Solve for x
    x = 621,181,900,503.02/1,224,620.56
  6. Step 6: Final answer
    x = 507,244.38

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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.