Home / 1,286,694.46-1,930,058.12-340,057

Finding the Fourth Proportional to 1,286,694.46, 1,930,058.12 and 340,057

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Solution

The fourth proportional to 1,286,694.46, 1,930,058.12 and 340,057 is: 510,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,694.46 : 1,930,058.12 = 340,057 : x
  2. Step 2: Convert to fraction form
    1,286,694.46/1,930,058.12 = 340,057/x
  3. Step 3: Cross multiply
    1,286,694.46x = 1,930,058.12 × 340,057
  4. Step 4: Simplify right side
    1,286,694.46x = 656,329,774,112.84
  5. Step 5: Solve for x
    x = 656,329,774,112.84/1,286,694.46
  6. Step 6: Final answer
    x = 510,089.84

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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.