Home / 1,119,338.64-1,679,247-361,223.28

Finding the Fourth Proportional to 1,119,338.64, 1,679,247 and 361,223.28

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Solution

The fourth proportional to 1,119,338.64, 1,679,247 and 361,223.28 is: 541,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,338.64 : 1,679,247 = 361,223.28 : x
  2. Step 2: Convert to fraction form
    1,119,338.64/1,679,247 = 361,223.28/x
  3. Step 3: Cross multiply
    1,119,338.64x = 1,679,247 × 361,223.28
  4. Step 4: Simplify right side
    1,119,338.64x = 606,583,109,270.16
  5. Step 5: Solve for x
    x = 606,583,109,270.16/1,119,338.64
  6. Step 6: Final answer
    x = 541,912.06

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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.